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Preprint REVIEW | doi:10.20944/preprints201907.0167.v1

Innovative Processes and Technologies for Nutrients Recovery from Wastes: a Comprehensive Review

Mukhtar Ahmed, Shakeel Ahmad, Fayyaz Hassan, Ghulam Qadir, Rifat Hayat, Farid Shaheen, Muhammad Raza

Subject: Environmental And Earth Sciences, Environmental Science Keywords: Environmental pollution; wastes; nutrient recovery; biochar; composting

Online: 12 July 2019 (11:46:12 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202112.0229.v1

Assessment of K-Struvite Precipitation as a Means of Nutrient Recovery From Source Separated Human Urine

Işık Kabdaşlı, Sezen Kuşçuoğlu, Olcay Tünay, Alessio Siciliano

Subject: Chemistry And Materials Science, Analytical Chemistry Keywords: human urine; K-struvite precipitation; nutrient recovery; operation parameters; solid phases

Online: 14 December 2021 (11:46:20 CET)

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Preprint ARTICLE | doi:10.20944/preprints202105.0426.v1

Changes in Crop Layout, Effects on Farmland Nutrient Balance: A Case Study in The West Liaohe River Basin, China

Zijuan Zhao, Beilei Fan

Subject: Environmental And Earth Sciences, Atmospheric Science And Meteorology Keywords: Crop layout; Nutrient balance; Chemical fertilizer; Nutrient surpluses; Nutrient use efficiency

Online: 18 May 2021 (12:59:36 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201903.0101.v1

Nutrient Resources Recovery by a Creative Co-Composting Method of Municipal Solid Wastes and Wastewater Treatment Plant Sludge

Saeed Nemati, Bijan Samali, Farzaneh Tahmoorian, Nader Mokhtarani, Farshad Sanati

Subject: Engineering, Civil Engineering Keywords: nutrient resources recovery , chemical oxygen demand (COD), carbon to nitrogen ratio (C/N), co-composting, wastewater sludge, municipal solid wastes (MSW)

Online: 8 March 2019 (04:06:02 CET)

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Preprint ARTICLE | doi:10.20944/preprints202311.1823.v1

Concentration Prediction‐Based Crop Digital Twin Using Nutrient Co‐Existence and Composition in Regression Algorithms

Anahita Ghazvini, Nurfadhlina Mohd Sharef

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: rice nutrient level; fertilizer optimization; nutrient analysis; polynomial regression; nutrient prediction; environmental impact reduction

Online: 29 November 2023 (07:54:53 CET)

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Preprint ARTICLE | doi:10.20944/preprints201811.0494.v1

Stocks and Stoichiometry of Soil Organic Carbon, Total Nitrogen, and Total Phosphorus after Vegetation Restoration in the Loess Hilly Region, China

Hongwei Xu, Qing Qu, Peng Li, Ziqi Guo, Entemake Wulan, Sha Xue

Subject: Environmental And Earth Sciences, Soil Science Keywords: soil stoichiometry; soil nutrient; nutrient limitations; natural grassland; natural forest

Online: 20 November 2018 (09:35:23 CET)

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Preprint ARTICLE | doi:10.20944/preprints202103.0725.v1

Maize (Zea Mays L) Production in a Semiarid Area of South Africa from Co-Application of Biogas Slurry with Chemical Fertilizer and Effects on Soil Quality

Thandile Mdlambuzi, Mitsuru Tsubo, Pardon Muchaonyerwa

Subject: Biology And Life Sciences, Biochemistry And Molecular Biology Keywords: dry matter yield; nutrient uptake; soil nutrient reserves; co-application; grain yield; dryland

Online: 30 March 2021 (10:18:06 CEST)

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Most smallscale farmers still use the traditional way of agricultural crop farming, and relay mostly use of chemical fertilizers (CF). Recently CF have become expensive and could in some way have a negative impact on soil quality after long term application. However, co-application of biogas slurry (BGS) with CF could help reduce farming costs while improving dry matter yields, grain yields, primary macronutrient uptake of (Nitrogen) N, (Phosphorus) P, (Potasium) K, (Calcium) Ca and (Magnesium) Mg and soil concentration of pH, (organic carbon) OC, N, P, K, Ca and Mg after crop harvest. The study was a field experiment conducted in 2016-2017 and 2017-2018 growing seasons. The field experiment was arranged in a randomized complete block design with four replicates. The treatments were based on percentages of recommended N rates of 120 kg N ha-1 for maize production. The BGS/CF treatments were (i) 0/0, (ii) 0/120, (iii) 24/96, (iv) 48/72, (v) 72/48, (vi) 96/24, (vii) 120/0 kg N ha-1. The spreading of the combination of BGS/CF treatments was performed by hand and incorporated into the top soil (0-10 cm) in each experimental plots. BGS/CF (48/72) treatment resulted into higher dry matter yield in 2016-2017, which was higher than all other treatment combinations, while in the 2017-2018 season, treatment of (0/120) resulted into higher dry matter than all other treatment combinations. The 48/72 and 0/120 treatments resulted into similar grain yield in 2016-2017 season which were higher than all other treatments. Treatments of 48/72, 72/48 and 120/0 had higher N, P, K, Ca and Mg uptake than 0/0, 0/120, 24/96 and 96/24 treatments in both seasons. Soil pH, total N, K, and Mg were high from the treatment of (120/0) than all other treatments in 2016-2017 while in the 2017-2018 season, treatment of (48/72) had higher OC, P and K after maize harvest. The findings of his study show that co-application of BGS/CF at 48/72 and 72/48 have maize yield benefits compared to the two resources, BGS/CF (120/0) and BGS/CF (0/120), applied separately in soil especially in the arid and semi-arid regions.

Preprint ARTICLE | doi:10.20944/preprints202012.0158.v1

Relationship Between Chewing Ability and Nutritional Status in Japanese Older Adults: A Cross-Sectional Study

Keiko Motokawa, Yurie Mikami, Maki Shirobe, Ayako Edahiro, Yuki Ohara, Masanori Iwasaki, Yutaka Watanabe, Hisashi Kawai, Takeshi Kera, Shuichi P Obuchi, Yoshinori Fujiwara, Kazushige Ihara, Hirohiko Hirano

Subject: Physical Sciences, Acoustics Keywords: nutrient intake; food groups; chewing ability

Online: 7 December 2020 (13:14:25 CET)

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Preprint HYPOTHESIS | doi:10.20944/preprints202202.0033.v1

Dietary Restriction And Lifespan: Adaptive Reallocation Or Somatic Sacrifice?

Matthew Piper, Brooke Zanco, Carla Sgrò, Margo Adler, Christen Mirth, Russell Bonduriansky

Subject: Biology And Life Sciences, Aging Keywords: life histories; ageing; fecundity; nutrient balance; evolution

Online: 2 February 2022 (12:55:42 CET)

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Preprint REVIEW | doi:10.20944/preprints201909.0301.v1

Glyphosate: Its Environmental Persistence and Impact on Crop Health and Nutrition

Ramdas Kanissery, Biwek Gairhe, Davie Kadyampakeni, Ozgur Batuman, Fernando Alferez

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: glyphosate; herbicide degradation; crop health; nutrient availability

Online: 26 September 2019 (12:07:03 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201903.0002.v1

Metabolic Pathway Analysis for Nutrient Removal of the Consortium between C. vulgaris and P. aeruginosa

A. Suggey Guerra-Rentería, Mario García-Ramírez, César Gómez-Hermosillo, Abril Goméz-Guzmán, Yolanda González-García, Orfil Gonzalez-Reynoso

Subject: Biology And Life Sciences, Immunology And Microbiology Keywords: Extreme Pathways, Nutrient Removal, C. vulgaris, P.aeruginosa

Online: 1 March 2019 (07:20:22 CET)

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Preprint ARTICLE | doi:10.20944/preprints201902.0201.v1

Interscapular and Perivascular Brown Adipose Tissue Respond Differently to a Short-Term High-Fat Diet

Peter Aldiss, Jo Lewis, David Boocock, Amanda Miles, Ian Bloor, Francis Ebling, Helen Budge, Michael Symonds

Subject: Biology And Life Sciences, Biochemistry And Molecular Biology Keywords: brown fat; white fat; proteome; nutrient excess

Online: 21 February 2019 (10:01:04 CET)

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Preprint ARTICLE | doi:10.20944/preprints202309.1051.v1

The Influence of Mineral NPK Fertilizer Rates and Their Ratio on Potassium Dynamics in Soil: Data from a Long-Term Agricultural Plant Fertilization Experiment

Jonas Arbačauskas, Zigmas Jonas Vaišvila, Gediminas Staugaitis, Lina Žičkienė, Aistė Masevičienė, Donatas Šumskis

Subject: Environmental And Earth Sciences, Soil Science Keywords: potassium fertilizers; nutrient interaction; metabolizable energy; balance; soil

Online: 15 September 2023 (09:36:03 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202207.0293.v1

Nutrients Composition Changes in Leaves of Quercus leucotrichophora from Different Seasons and Altitudes in the North-West Himalaya

Shalini Sharma, Sunil Puri

Subject: Biology And Life Sciences, Plant Sciences Keywords: altitudinal variation; nutrient composition; Quercus leucotrichophora; seasonal variation

Online: 20 July 2022 (05:12:55 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202112.0057.v1

Estimation of Intake of Critical Nutrients Associated with Noncommunicable Diseases According to the PAHO/WHO Criteria in the Diet of School-Age Children in Montevideo, Uruguay

Florencia Koncke, Cecilia Toledo, Christian Damian Beron, Iael Klaczko, Alicia Carriquiry, Gustavo Cediel, Fabio da Silva Gomes

Subject: Biology And Life Sciences, Food Science And Technology Keywords: ultra-processed products; school feeding; nutrient profiling model

Online: 3 December 2021 (14:57:38 CET)

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Preprint ARTICLE | doi:10.20944/preprints202009.0266.v1

Truffle Species Strongly Shapes Its Surrounding Soil Mycobiota in A Pinus armandii Forest

Dong Liu, Mariana Herrera, Xinhua He, Jesús Perez-Moreno, Fuqiang Yu

Subject: Biology And Life Sciences, Immunology And Microbiology Keywords: hypogenous ectomycorrhizal fungi; truffles; soil nutrient; fungal community

Online: 12 September 2020 (08:04:07 CEST)

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Preprint REVIEW | doi:10.20944/preprints202008.0609.v1

Dairy Consumption and Metabolic Health

Claire Timon, Aileen O'Connor, Nupur Bhargava, Eileen Gibney, Emma Feeney

Subject: Biology And Life Sciences, Food Science And Technology Keywords: Dairy; Health; Matrix; Metabolism; Nutrient; Composition; Saturated Fats

Online: 27 August 2020 (09:46:06 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202008.0006.v1

Is the Diet of a Middle Income Country Sustainable ? An Exploratory Study from Malaysia

Foong Ming Moy, Jui Yee Eng, Nur Fadzlina Zulkefli, Lee Luan Ng, Muhamad Azzam Ismail

Subject: Biology And Life Sciences, Food Science And Technology Keywords: sustainable diet; carbon footprint; recommended nutrient intake; Malaysia

Online: 2 August 2020 (09:29:46 CEST)

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A sustainable diet which is healthy and environmental friendly is a climate change mitigation option in addition to being a health promoting diet. However, there is a scarcity of information if the Asian diets are sustainable. Therefore, this study aimed to investigate if the diet of the Malaysian population is healthy and sustainable. This is a cross sectional study using dietary data generated from food frequency questionnaires (FFQ). The carbon footprint data were linked with the food items/ food groups in the FFQ. The nutrients of the participants’ diet were computed and the proportions of those who met the recommended nutrients intake were established. Contribution of carbon footprint for different food groups and total carbon footprint for each participant’s diet were computed and expressed as kgCO₂eq. Comparison of carbon footprint from participants’ diets between age, sex and ethnicity were carried out. A total of 4825 participants were included in the analysis. Majority were Malays (66.4 %), females (84.0%), married (80.0%) and in the age groups of 30s to 40s (68.8%). The mean total energy intake was 2485+1000 kcal/day. Only 40 to 60% of all participants achieved the Malaysia Recommended Nutrient Intake (RNI) for calcium and less than half of the female participants who were aged 50 years and below fulfilled the RNI for iron. The most commonly consumed food groups were vegetables (270g/day), wheat, rice, fruits, sugar, seafood, poultry, legumes, snacks, milk and beef (46g/day). Total carbon footprint from the participants’ diets were 2.96 kgCO₂eq/day, with the highest contributions of carbon footprint from rice, vegetables, beef, sugar, other cereals, poultry, seafood, wheat, milk, fruits, legume and snacks. Subgroups such as males, Malays and younger participants were more likely to consume diets with higher carbon footprint, compared to their counterparts. The participants’ diet was low in carbon footprint and environmentally friendly, however the quality of diet may need to be improved. Education measures should be targeted for all population and specifically for the sub-groups that consumed diets with higher carbon footprint.

Preprint ARTICLE | doi:10.20944/preprints201904.0072.v1

Effects of Packed Layer Structure and Submerged Zone on Nutrient Removal in Bioretention Systems with Sand, Soil and Fly Ash

ZiYan Guo, XiaoJun Zuo, Xiao Wu, Jianghua Yu

Subject: Environmental And Earth Sciences, Environmental Science Keywords: bioretention; fly ash; structures; submerged zone; nutrient removal

Online: 7 April 2019 (12:50:05 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201812.0174.v1

Interactive Effects of Secondary Macronutrients and Micronutrients on the Grain Yield, Nutrient Uptake and Use Efficiencies of Maize in the Guinea Savannas of Nigeria

Ismail Ibrahim Garba, Jibrin Mohammed Jibrin, Alpha Yaya Kamara, Adnan Aminu Adnan, Bassam Lawan Abdulrahman, Bello Mohammed Shehu, Adam Mohammed Adam

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: secondary macronutrients; micronutrients; maize; use efficiency; nutrient uptake

Online: 17 December 2018 (05:23:39 CET)

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Preprint ARTICLE | doi:10.20944/preprints202309.0551.v1

Effect of Ametryn Herbicide and Soil Organic Matter Content on Weed Growth, Herbicide Persistence, and Yield of Sweet Corn (Zea mays)

Yayan Sumekar, Dedi Widayat, Uum Umiyati, Ajeng Cahya Aprilia, Abdul Gafur

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: bioassay; chemical weeding; nutrient competition; straw compost; weed suppression

Online: 8 September 2023 (04:51:55 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202308.0358.v1

Impact of Polylactic Acid Microplastics on Performance and Microbial Dynamics in Activated Sludge System

Mengbo Huang, Dongqi Wang, Shengwei Zhang, Yuzhu Weng, Kailong Li, Renjie Huang, Yuan Guo, Chunbo Jiang, Zhe Wang, Hui Wang, Haiyu Meng, Yishan Lin, Mingliang Fang, Jiake Li

Subject: Engineering, Civil Engineering Keywords: microplastics; activated sludge; nutrient removal; microbial activity; microbial community

Online: 4 August 2023 (14:43:30 CEST)

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Preprint REVIEW | doi:10.20944/preprints202209.0263.v1

Phenotypic Variations, Environmental Effects and Genetic Basis Analysis of Grain Elemental Concentrations in Rice (Oryza sativa L.) for Improving Human Nutrition

Yheni Dwiningsih, Jawaher Alkahtani

Subject: Biology And Life Sciences, Biology And Biotechnology Keywords: rice; nutrient elements; toxic elements; phenotypic variance; genetic basis

Online: 19 September 2022 (05:31:22 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202101.0419.v1

Biomass and Lipid Productivity by Two Algal Strains of Chlorella Sorokiniana Grown in Hydrolysate of Water Hyacinth

Swati Dahiya, Raja Chowdhury, Wendong Tao, Pradeep Kumar

Subject: Engineering, Automotive Engineering Keywords: Hydrolysate; Chlorella sorokiniana; lipid; biomass productivity; nutrient amended media.

Online: 21 January 2021 (12:39:53 CET)

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Preprint ARTICLE | doi:10.20944/preprints201911.0358.v1

Trehalose Protects Maize Plants from Salt Stress and Phosphorus Deficiency

Md. Motiar Rohman, Md. Robyul Islam, Mahmuda Binte Monsur, M. Amiruzzaman, Masayuki Fujita, Mirza Hasanuzzaman

Subject: Biology And Life Sciences, Plant Sciences Keywords: abiotic stress; oxidative stress; salinity; nutrient deficiency; osmolytes; methylglyoxal

Online: 28 November 2019 (09:49:35 CET)

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This study was undertaken to elucidate the role of trehalose (Tre) in mitigating oxidative stress under salinity and low P in maize. Eight-day-old maize seedlings of two maize varieties, BARI Hybrid Maize-7 and BARI Hybrid Maize-9 were subjected to salinity (150 mM NaCl), low P (5 µM KH2PO4) and their combined stress with or without 10 mM Tre for 15-d.Salinity and combined stress significantly inhibited the shoot length, root length, and root volume, whereas, low P increased the root length and volume in both genotypes. Exogenous Tre in the stress treatments increased all of the growth parameters as well as decreased the salinity, low P and combined stress-mediated Na+/K+, ROS, MDA, LOX activity and MG in both genotypes. Under salinity and low P stress, the SOD activity increased in both genotypes, but the activity decreased in combined stress. POD activity increased in all stress treatments. Interestingly, Tre application enhanced the SOD activity in all the stress treatments but inhibited the POD activity. Both CAT and GPX activity were increased by saline and low P stress while the activities inhibited in combined stress. Similar results were found for APX, GR, and DHAR activities in both genotypes. However, MDHAR activity was inhibited in all the stresses. Interestingly, Tre enhanced CAT APX, GPX, GR, MDHAR and DHAR activities suggesting the amelioration of ROS scavenging in maize under all the stresses. Increased GST activity in presence or absence of Tre might involve in detoxification of hydroperoxides as well as leaf senescence. On the other hand, increased glyoxalase activities in saline and low P stress in BHM-9 suggested better MG detoxification system because of down-regulation of Gly-I activity in BHM-7 in those stresses. Tre also increased the glyoxalase activities in both genotypes under all the stresses. Tre improved the growth in maize seedlings by decreasing Na+/K+, ROS, MDA, and MG through regulating antioxidant and glyoxalase systems.

Preprint ARTICLE | doi:10.20944/preprints201907.0077.v1

Compost Quality Recommendations for Remediating Urban Soils

Hannah Heyman, Nina Bassuk, Jean Bonhotal, Todd Walter

Subject: Biology And Life Sciences, Horticulture Keywords: compost; compost quality; soil remediation; urban soil; nutrient leaching

Online: 4 July 2019 (11:36:40 CEST)

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Preprint REVIEW | doi:10.20944/preprints201907.0003.v1

Effects of Grazing Management on Spatio-Temporal Heterogeneity of Soil Carbon and Greenhouse Gas Emissions of Grasslands and Rangelands: Monitoring, Modelling and Upscaling

Junye Wang

Subject: Environmental And Earth Sciences, Environmental Science Keywords: grazed grassland, rangelands, grazing management, soil carbon, nutrient cycles

Online: 1 July 2019 (11:08:14 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201904.0036.v1

Characterising Recycled Organic and Mineral Materials for Use as Filter Media in Biofiltration Systems

Steven Lucas, Charles CC Lee, Eric Love

Subject: Environmental And Earth Sciences, Environmental Science Keywords: compost, nutrient leaching; pollutant removal; stormwater quality, system modeling

Online: 2 April 2019 (15:35:29 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201807.0088.v1

Changes in Nutrient Profiling and Antioxidant Activities of Different Fish Soups, Before and After Simulated Gastrointestinal Digestion

Gaonan Zhang, Shujian Zheng, Yuqi Feng, Guo Shen, Shanbai Xiong, Hongying Du

Subject: Chemistry And Materials Science, Analytical Chemistry Keywords: nutrient profiling; simulated gastrointestinal digestion; antioxidant activity; fish soup

Online: 5 July 2018 (08:51:14 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201806.0237.v1

Biochars Improve Nutrient Retention Capacity of Highly Weathered Tropical Soils

Arnoldus Berek, Nguyen Hue, Theodore Radovich, Amjad Ahmad

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: biochar; compost; nutrient retention; highly weathered soil; Chinese cabbage

Online: 14 June 2018 (15:46:36 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202310.0034.v1

Effect of P-dipping on above- and below-Ground Growth of NERICA 4 Rice in Different Soil Types

Emmanuel Odama, Yasuhiro Tsujimoto, Shin Yabuta, Isao Akagi, Rael Chepkoech, Ibrahim Soe, Jun-Ichi Sakagami

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: phosphorus; Oryza sativa L.; nutrient uptake; photosynthetic rate; root morphology

Online: 2 October 2023 (04:18:31 CEST)

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Preprint REVIEW | doi:10.20944/preprints202309.0668.v1

Physiological Functions of Carbon Dots and Their Applications in Agriculture Production

Guohui Li, Jiwei Xu, Ke Xu

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: photosynthesis; nutrient and water absorption; abiotic stress resistance; yield; biosensor

Online: 11 September 2023 (10:11:28 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202306.1755.v1

A Greener Approach to Spinach Farming: Drip Nutrigation with Biogas Slurry Digestate

Rashmi Yadav, Susama Sudhishri, Manoj Khanna, Khajanchi Lal, Anchal Dass, Hari Lal Kushwaha, Kalikinkar Bandyopadhyay, Archna Suman, Anupama Singh, Rajiv Kumar Singh, Raj Singh

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: Biogas slurry; Drip; Nutrigation; Spinach; Phenology; Nutrient uptake; Microbial properties

Online: 26 June 2023 (07:06:06 CEST)

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To achieve higher crop yields and maintain environmental conservation, it becomes imperative to adopt novel agricultural methods that improve both the quantity and quality of produce. The above study focused on investigating the effectiveness of integrated use of biogas slurry (BS) and inorganic nutrigation on spinach growth and nutrient uptake through drip irrigation. Under field conditions and using a split plot design, spinach was cultivated with seven different treatments: biogas slurry nutrigation (BSN) (T1), integrated inorganic + organic nutrigation: 40% Recommended dose of fertilizer (RDF) +BSN (T2), 60% RDF +BSN (T3), 80% RDF +BSN(T4), 100% RDF(T5), slurry broadcasting (SB) (T6), and control(T7). The results showed that spinach grown with T4 80% RDF +BSN exhibited optimum plant height and leaf count compared to spinach under other treatments and was at par with T5 100% RDF for crop parameters. T5 treated plants demonstrated the longest roots, followed by T4 treated plants. The biomass produced by T4 was at par with T5 in the first (T4= 4.60 tonha-1, T5 =4.67 tonha-1) and second harvesting(T4= 6.69 tonha-1, T5 =6.89 tonha-1).In terms of macronutrient content in spinach leaves, significant differences were found only for nitrogen (N),potassium (K), while the phosphorus contents were not significantly influenced. Incorporating biogas slurry into the soil modifies microbial enzyme activities, specifically dehydrogenase and phosphatase. Normally, alkaline phosphatase shows greater activity than acidic phosphatase, but the addition of biogas slurry equalized the enzymatic activity of both, establishing a harmonized enzymatic profile. Fertilizing spinach with integrated Biogas slurry nutrigation + inorganic nutrigation not only improves growth and development to a similar extent as inorganic fertilizer but also enhances the nutrient content of the spinach, contributes to environmental preservation, and reduces production costs.

Preprint REVIEW | doi:10.20944/preprints202301.0361.v1

Piggery Wastewater Treatment Using Photosynthetic Microorganisms

Cristian A. Sepúlveda-Muñoz, Ignacio De Godos, Raúl Muñoz

Subject: Biology And Life Sciences, Immunology And Microbiology Keywords: Biomass valorization; Microalgae; Nutrient recovery; Purple phototrophic bacteria; Swine manure

Online: 19 January 2023 (12:20:24 CET)

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Preprint ARTICLE | doi:10.20944/preprints201911.0270.v1

Determining the Impact of Riparian Wetlands on Nutrient Cycling, Storage and Export in Permeable Agricultural Catchments

Penny J. Johnes, Daren C. Gooddy, Timothy H. E. Heaton, Andrew Binley, Michael P. Kennedy, Paul Shand, Hannah Prior

Subject: Environmental And Earth Sciences, Environmental Science Keywords: nitrogen; phosphorus; nutrient cycling; biogeochemistry; geochemistry; geophysics; wetlands; catchment management

Online: 24 November 2019 (05:05:30 CET)

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Working Paper ARTICLE

Dietary Diversity and Nutritional Adequacy Among an Older Spanish Population with Metabolic Syndrome in the PREDIMED-Plus Study: A Cross-Sectional Analysis

Naomi Cano-Ibáñez, Alfredo Gea, Miguel A. Martínez-González, Jordi Salas-Salvadó, Dolores Corella, M. Dolors Zomeño, Dora Romaguera, Jesús Vioque, Fernando Aros, Julia Wärnberg, J. Alfredo Martínez, Lluis Serra-Majem, Ramón Estruch, Francisco Tinahones, José Lapetra, Xavier Pintó, Josep A. Tur, Antonio García-Ríos, Blanca Riquelme-Gallego, Miguel Delgado-Rodríguez, Pilar Matía, Lidia Daimiel, Vicente Martín, Josep Vidal, Clotilde Vázquez, Emilio Ros, Pilar Buil-Cosiales, Andrés Díaz-López, Rebeca Fernández-Carrión, Montserrat Fitó, Jadwiga Konieczna, Leyre Notario-Barandiaran, Ángel M. Alonso-Gómez, Eugenio Contreras-Fernández, Itziar Abete, Almudena Sánchez-Villegas, Rosa Casas, Araceli Muñoz-Garach, José Manuel Santos-Lozano, Laura Gallardo-Alfaro, Josep Basora, Olga Portoles, Miguel Ángel Muñoz, Manuel Moñino, Salvador Miralles Gisbert, Anai Moreno Rodríguez, Miguel Ruiz-Canela, Antoni Palau Galindo, Karla Alejandra Pérez-Vega, Aurora Bueno-Cavanillas

Subject: Medicine And Pharmacology, Dietetics And Nutrition Keywords: Dietary diversity; nutrient adequacy; metabolic syndrome; aging; PREDIMED-Plus study

Online: 18 March 2019 (09:25:48 CET)

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Preprint ARTICLE | doi:10.20944/preprints201811.0521.v1

Phosphorus Budget for a Forested-Agricultural Watershed Influenced by East-Asian Summer Monsoon

Arif Reza, Jaesung Eum, Sungmin Jung, Youngsoon Choi, Changwon Jang, Kiyong Kim, Jeffrey S. Owen, Bomchul Kim

Subject: Environmental And Earth Sciences, Environmental Science Keywords: phosphorus; nutrient budget; non-point source pollution; Korea; monsoon climate

Online: 21 November 2018 (07:28:35 CET)

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Preprint ARTICLE | doi:10.20944/preprints201801.0011.v1

Critical Nutrient Concentrations and DRIS Norms for Pinus patula

Agustina Sánchez-Parada, Miguel Ángel López-López, Armando Gómez-Guerrero, Marlín Pérez-Suárez

Subject: Biology And Life Sciences, Forestry Keywords: plant nutrition; chemical fertilization; nutrient diagnosis; forest plantation; foliar nutrients

Online: 2 January 2018 (10:25:46 CET)

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Preprint ARTICLE | doi:10.20944/preprints202310.0853.v1

Propagatıon of Azerbaıjanı Chestnut by Tıssue Culture

Gharib Hafizov, Chingiz Balazade

Subject: Biology And Life Sciences, Biology And Biotechnology Keywords: Azerbaijani chestnut; nutrient medium; hormones; micro-shoots in vitro; root induction

Online: 13 October 2023 (07:55:20 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202309.1359.v1

Untangling the Distribution of Encephalartos villosus in Nutrient Deficient Soils of South Africa

Nqobile Mostsomane, Terence Nkwanwir Suinyuy, María A. Pérez-Fernández, Anathi Magadlela

Subject: Environmental And Earth Sciences, Ecology Keywords: Encephalartos villosus; cycad-microbe symbiosis; nutrient deficient soils; biological nitrogen fixation

Online: 20 September 2023 (13:55:05 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202308.1242.v1

Encapsulated Phytase Produced by Recombinant Yarrowia lipolytica Exhibits High Efficiency on Quails at Low Doses

Ekanerina A. Ovseychik, Olga I. Klein, Natalia N. Gessler, Yulia I. Deryabina, Valery S. Lukashenko, Elena P. Isakova

Subject: Biology And Life Sciences, Animal Science, Veterinary Science And Zoology Keywords: phytase; microencapsulation; quail; feed additive; nutrient digestibility; Yarrowia lipolytica; Obesumbacterium proteus

Online: 17 August 2023 (09:10:02 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202301.0366.v1

The Natal Giant Cycad (Encephalartos natalensis) Associated Nutrient-cycling Microbes and Enzymes Contribute to Soil Nutrient Inputs and Persistence in Nutrient-poor Disturbed Savanna Woodland Ecosystems

Siphelele Ndlovu, Terrence N. Suinyuy, María Pérez-Fernández, Anathi Magadlela

Subject: Biology And Life Sciences, Plant Sciences Keywords: Encephalartos natalensis; microbe-symbiosis; soil nutrition; enzyme activities; soil nutrient cycling

Online: 19 January 2023 (15:29:52 CET)

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Preprint ARTICLE | doi:10.20944/preprints202111.0173.v1

Effect of Nutritional Factors and Copper on the Regulation of Laccase Enzymes Production in Pleurotus ostreatus

Dinary Durán-Sequeda, Daniela Suspes, Estibenson Maestre, Manuel Alfaro, Gumer Pérez, Lucía Ramírez, Antonio G. Pisabarro, Rocío Sierra

Subject: Biology And Life Sciences, Biology And Biotechnology Keywords: Multi-copper oxidase; copper-transporter; nutrient-sufficient conditions, white-rot fungus

Online: 9 November 2021 (13:39:50 CET)

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Preprint ARTICLE | doi:10.20944/preprints202111.0158.v1

Difference in Rhizosphere Soil Bacterial Community was among Six Cinnamomum camphora Chemotypes

Zufei Xiao, Beihong Zhang, Yangbao Wang, Zhinong Jin, Feng Li, Ji Peng, Jiang Rui

Subject: Biology And Life Sciences, Forestry Keywords: Cinnamomum camphora; chemotype; soil nutrient; soil bacterial community diversity and structure

Online: 8 November 2021 (15:20:35 CET)

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Preprint ARTICLE | doi:10.20944/preprints202110.0288.v1

Sex Differences in the Associations of Nutrient Patterns with Total and Regional Adiposity: A Study of Middle-Aged Black South African Men and Women

Tshifhiwa Ratshikombo, Julia H. Goedecke, Melikhaya Soboyisi, Clement Kufe, Maphoko Masemola, Lisa K Micklesfield, Tinashe Chikowore

Subject: Biology And Life Sciences, Food Science And Technology Keywords: Nutrient patterns; Obesity; Sex differences; Total and regional adiposity; South Africa

Online: 20 October 2021 (10:17:40 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202101.0460.v1

Empirical Evaluation and Prediction of Protein Requirements for Maintenance and Growth of 18-24 Months old Thai Swamp Buffaloes

Siwaporn Paengkoum, Pattaraporn Tatsapong, Nittaya Taethaisong, Thongpea Sorasak, Rayudika Aprilia Patindra Purba, Pramote Paengkoum

Subject: Biology And Life Sciences, Biochemistry And Molecular Biology Keywords: feeding trial; growth; maintenance; nutrient evaluation; protein utilization; Thai swamp buffalo

Online: 25 January 2021 (09:23:11 CET)

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Preprint ARTICLE | doi:10.20944/preprints202003.0101.v1

Ridge to Reef Management Implications for the Development of an Open-Source Dissolved Inorganic Nitrogen Loading Model in American Samoa

Christopher Shuler, Mia Comeros-Raynal

Subject: Environmental And Earth Sciences, Environmental Science Keywords: nutrient loading; geospatial model; dissolved inorganic nitrogen; water quality; island management

Online: 6 March 2020 (03:23:41 CET)

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Working Paper ARTICLE

Designing Optimal Breakfast for the United States Using Linear Programming and the NHANES 2011-2014 Database. A Study from the International Breakfast Research Initiative (IBRI)

Florent Vieux, Matthieu Maillot, Colin D. Rehm, Adam Drewnowski

Subject: Biology And Life Sciences, Food Science And Technology Keywords: breakfast; linear programming; NHANES; NRF9.3; nutrient density; food groups; nutrients; optimization

Online: 10 May 2019 (10:42:42 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201810.0133.v2

Age- and Genotype-Specific Effects of the Angiotensin-Converting Enzyme Inhibitor Lisinopril on Mitochondrial and Metabolic Parameters in Drosophila melanogaster

Karis A. Ederer, Kelly Jin, Sarah Bouslog, Lu Wang, Greg S. Gorman, Glenn C. Rowe, Peter Abadir, Daniel Raftery, Douglas Moellering, Daniel Promislow, Patricia Jumbo-Lucioni, Maria De Luca

Subject: Biology And Life Sciences, Immunology And Microbiology Keywords: aging; angiotensin-converting enzyme inhibitors; nutrient metabolism; genetic background; nutritional stress

Online: 29 October 2018 (10:33:59 CET)

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Preprint ARTICLE | doi:10.20944/preprints201805.0169.v1

The Presence of Toxic and Non-toxic Cyanobacteria in the Sediments of the Limpopo River Basin: Implications for Human Health

Murendeni Magonono, Paul Johan Oberholster, Shonhai Addmore, Makumire Stanley, Jabulani Ray Gumbo

Subject: Environmental And Earth Sciences, Environmental Science Keywords: cyanobacteria; cyanotoxins; nutrient enrichment; akinetes; harmful algal blooms; PCR; phylogenetic analyses

Online: 10 May 2018 (15:37:51 CEST)

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Preprint REVIEW | doi:10.20944/preprints201612.0041.v1

Potential Enhanced Survivorship of Crown of Thorns Starfish Larvae due to Near-Annual Nutrient Enrichment during Secondary Outbreaks on the Central Mid-Shelf of the Great Barrier Reef, Australia

Jon Brodie, Michelle Devlin, Stephen Lewis

Subject: Biology And Life Sciences, Insect Science Keywords: crown of thorns starfish; Great Barrier Reef; nutrient enrichment; larval survivorship

Online: 7 December 2016 (11:18:50 CET)

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Preprint ARTICLE | doi:10.20944/preprints202305.2037.v1

Okra Yield Increased by Bat Guano beyond Its Nutrient Supply

Paulo Dimande, Margarida Arrobas, Manuel Ângelo Rodrigues

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: Abelmoschus esculentus; tropical savanna climate; biochar; soil amendment; manuring effect; nutrient mining

Online: 30 May 2023 (04:17:53 CEST)

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The difficulty in obtaining commercial fertilizers by smallholder farmers in sub-Saharan Africa makes it very important to optimize the use of local organic resources. In VilanKulo, Mozambique, a study was carried out on okra (Abelmoschus esculentus) over two growing seasons in a haplic Lixisol, a loamy-sand textured soil, applying both bat guano and biochar prepared by an artisanal process. Bat guano was applied at two rates (5 and 10 t ha−1), one month and just before sowing. Biochar was also used at two rates (5 and 10 t ha−1) applied close to sowing. Mixtures of biochar and guano at two rates (1 and 4 t ha−1, and 2 and 8 t ha−1, respectively) were also used along with a non-fertilized control. Field trials were arranged in a completely randomized design with three replicates. The treatments receiving high rates of guano tended to show significantly higher fruit yields (> 10 t ha−1, being the two-year average) in comparison to the control, which showed the lowest average okra fruit yield (6.21 t ha−1). In guano treatments, the apparent recovery by okra of some important nutrients, such as nitrogen (N), was greater than the amount of nutrient contained in the guano itself. This result, together with many others related to tissue nutrient concentration, soil properties and residual fertilizing value in guano plots, indicates a strong mineralization of guano during the growing season, probably due to its low carbon (C)/N ratio and favourable environmental conditions for the mineralization process, such as high temperature and well-aerated soil. The result also suggests some kind of manuring effect, i.e., a fertilizing effect of guano beyond what can be explained by the nutrient supply. The use of biochar increased total organic C in the soil and cation exchange capacity (CEC) compared to the control, but did not affect variables related to plant performance, such as tissue nutrient concentration or plant growth and yield.

Preprint DATA DESCRIPTOR | doi:10.20944/preprints202202.0062.v1

Dataset Documenting the Interactions of Biochar with Manure, Soil, and Plants: Towards Improved Sustainability of Animal and Crop Agriculture

Darcy Bonds, Jacek A. Koziel, Mriganka De, Baitong Chen, Asheesh K. Singh, Mark A. Licht

Subject: Engineering, Civil Engineering Keywords: carbon cycling; nutrient cycling; soil amendment; manure; biochar; corn; maize; soybeans; fertilizer

Online: 3 February 2022 (15:58:58 CET)

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Preprint REVIEW | doi:10.20944/preprints201911.0093.v1

Soil microarthropods and soil health: Intersection of decomposition and pest suppression

Deborah A. Neher, Mary E. Barbercheck

Subject: Biology And Life Sciences, Insect Science Keywords: microarthropods; decomposition; nutrient mineralization; multi-channel feeding; predation; alternate prey; detrital shunting

Online: 8 November 2019 (10:39:16 CET)

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Preprint ARTICLE | doi:10.20944/preprints202307.1912.v1

Enhancing Antioxidant Properties of Lettuce through Nutritional Deficiency in Aquaponic Systems with Aeroponic Cultivation

Martin Liška, Veronika Tůmová, Lenka Langhansová, Filip Mercl, Václav Tejnecký, Šárka Petrová, Kateřina Moťková, Daniel Bureš, Miloslav Petrtýl, Pavel Klouček

Subject: Biology And Life Sciences, Food Science And Technology Keywords: nutrient solution; flavonoids; phenols; DPPH; ORAC; vitamins; mineral content; organic acids; sensory analysis

Online: 27 July 2023 (12:02:55 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202307.0173.v1

Dynamics of Organic Carbon and Predictive Management Indices in Contrasting Land Use Types on Weathered Soils of Eastern Tanzania

Dorcasy Johannes Mwakipa, Eliakira Kisetu Nassary

Subject: Environmental And Earth Sciences, Soil Science Keywords: carbon sequestration; conservational land use soil health; sustainable agroecosystems; soil nutrient management; Tanzania.

Online: 4 July 2023 (09:28:12 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202304.0425.v1

Effect of Temperature on Salmonella enterica subsp. enterica ser. Javiana, Listeria monocytogenes, and Listeria innocua Persistence in Hydroponic Nutrient Solution

Gayatri Rajashekhar Dhulappanavar, Kristen Elizabeth Gibson

Subject: Biology And Life Sciences, Horticulture Keywords: Enteric pathogens; hydroponic; nutrient solution; Salmonella; Listeria mono-cytogenes; Listeria innocua; lettuce; temperature

Online: 17 April 2023 (07:54:47 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202303.0168.v1

Genome-Resolved Metagenomics of Nitrogen Transformations in the Switchgrass Rhizosphere Microbiome on Marginal Lands

Richard Allen White III, Aaron Garoutte, Emily E. Mclachlan, Lisa K. Tiemann, Sarah Evans, Maren L. Friesen

Subject: Biology And Life Sciences, Plant Sciences Keywords: rhizosphere; phyllosphere; metagenomics; microbiome; nutrient cycling; metagenomic assembled-genomes (MAGs); nitrogen-fixation; nitrogen

Online: 9 March 2023 (06:30:48 CET)

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Preprint ARTICLE | doi:10.20944/preprints201807.0216.v1

Developing Green Super Rice Varieties with High Nutrient Use Efficiency by Phenotypic Selection Under Varied Nutrient Conditions

Zilhas Jewel, Jauhar Ali, Yunlong Pang, Mahender Anumalla, Bart Acero, Jose Hernandez, Jianlong Xu, Zhikang Li

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: nutrient use efficiency; grain yield; nitrogen, phosphorus; potassium; green super rice; BC breeding

Online: 12 July 2018 (11:05:46 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201801.0054.v1

Phosphate Detection in Hydroponics using Molecularly Imprinted Polymer Sensors

Christopher S. Storer, Zachary Coldrick, Daniel Tate, Jack Marsden Donoghue, Bruce Grieve

Subject: Engineering, Electrical And Electronic Engineering Keywords: hydroponics; interdigitated electrodes; molecularly imprinted polymer; nutrient monitoring; phosphate; polymer sensor; precision agriculture

Online: 8 January 2018 (09:22:17 CET)

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Preprint ARTICLE | doi:10.20944/preprints202311.0154.v1

Effect of Partial Root-Zone Irrigation on Plant Growth, Root Morphological Traits and Leaf Elemental Stoichiometry of Tomato under Elevated CO₂

Guiyu Wei, Xiangnan Xu, Bingjing Cui, Manyi Zhang, Jie Liu, Zhenhua Wei, Fulai Liu

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: Elevated CO2; partial root-zone irrigation; root morphological traits; mineral nutrient; elemental stoichiometric ratio

Online: 2 November 2023 (10:56:31 CET)

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Preprint ARTICLE | doi:10.20944/preprints202307.1975.v1

Effects of Feeding Silage of Napier Pakchong 1 Fermented with Mung Bean Concentrate on Production Performance, Nutrient Digestibility, Carcass Yield and Meat Quality of Male Dairy Goat

Achara Lukkananukool, Jamlong Mitchaothai, Supapun Boonkoed, Ronachai Sitthigripong, Chunya Kongrith, Nahathai Vijitrothai, Thanatsamonwan Phonmun

Subject: Biology And Life Sciences, Animal Science, Veterinary Science And Zoology Keywords: Mung bean concentrate; production performance; nutrient digestibility; carcass yield; meat quality; male dairy goat

Online: 28 July 2023 (09:32:38 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202302.0113.v1

Entomopathogenic Fungi-Mediated Solubilization and Induction of Fe related Genes in Melon and Cucumber Plants

Fabián García-Espinoza, Enrique Quesada-Moraga, María José García del Rosal, Meelad Yousef-Yousef

Subject: Biology And Life Sciences, Immunology And Microbiology Keywords: Entomopathogenic fungi; Growth promoters; Nutrient Solubilization; Bioavailability; Iron acquisi-tion genes; ferric reductase activity

Online: 7 February 2023 (02:54:53 CET)

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Preprint REVIEW | doi:10.20944/preprints202103.0757.v1

Research Progress on Habitat Connectivity in Temperate Waters

Shike Gao, Wenwen Yu, Zhen Li, Shuo Zhang, Kang Fu, Nuo Wang, Jun Gu

Subject: Biology And Life Sciences, Anatomy And Physiology Keywords: habitat connectivity; movements of organisms; nutrient transport; offshore ecological restoration; artificial habitat; biodiversity conservation

Online: 31 March 2021 (10:12:41 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202011.0313.v1

Is Improved Milk Production from Supplementation of Buffalo with Molasses Nutrient Blocks Containing 10% Urea, a Greenhouse Gas Emissions Mitigation Strategy?

Peter Windsor, Susan Martin, Syseng Khounsy, James Young, Peter Thomson, Russel Bush

Subject: Biology And Life Sciences, Biochemistry And Molecular Biology Keywords: Asiatic swamp buffalo (Bubalus bubalis); large ruminant production; Laos; dairy; molasses nutrient blocks; supplementation

Online: 10 November 2020 (13:18:15 CET)

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Preprint ARTICLE | doi:10.20944/preprints201912.0077.v1

Molecular-Scale Studies of Phosphorus Speciation and Transformation in Manure-Amended and Microdose-Fertilized Indigenous Vegetable Production Systems of Nigeria and Benin Republic

Gourango Kar, Durodoluwa Oyedele, Pierre Akponikpe, Abimfoluwa Olaleye, Derek Peak

Subject: Environmental And Earth Sciences, Environmental Science Keywords: Sub-Saharan Africa; phosphorus XANES; fertilizer microdosing; African leafy vegetables; synchrotron; sustainability; nutrient stewardship

Online: 6 December 2019 (04:48:26 CET)

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Preprint ARTICLE | doi:10.20944/preprints202309.0277.v1

Wireless Sensor Networks for Precision Agriculture: A Review of NPK Sensor Implementations

Purnawarman Musa, Herik Sugeru, Eri Prasetyo Wibowo

Subject: Engineering, Control And Systems Engineering Keywords: Macro-Micro Nutritients; NPK Sensor; WSN; Nitrogen; Phosphorus; Potassium; Soil Nutrient Assessment; Precision Agriculture; Crop

Online: 5 September 2023 (09:32:19 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202305.0166.v1

Estimation of Changes in Nutrient Release Rate From Sediments After Tsunami by Incubation Experiment

Mitsuru Hayashi, Tetsunori Inoue, Soichi Hirokawa

Subject: Environmental And Earth Sciences, Water Science And Technology Keywords: nutrient release rate; marine sediment; redeposition; incubation experiment; Osaka Bay; Nankai Trough earthquake; primary production

Online: 4 May 2023 (03:02:10 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202203.0008.v1

Residual Effect of Bentonite-Humic Acid Amendment on Soil Health and Crop Performance 4-5 Years After Initial Application in a Dryland Ecosystem

Bin Ma, Bao-Luo Ma, Neil B. McLaughlin, Ming Li, Jinghui Liu

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: Sustainable dryland farming; clay soil amendment; soil water use; organic matter; enzyme activity; nutrient turnover

Online: 1 March 2022 (08:27:33 CET)

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Preprint ARTICLE | doi:10.20944/preprints202107.0276.v1

Using Life Cycle Assessment and Circular Economy Principles to Address Nutrient Depletion in Tanzanian Sisal Fibre Production

Tracey Anne Colley, Judith Valerian, Michael Zwicky Hauschild, Stig Irving Olsen, Morten Birkved

Subject: Environmental And Earth Sciences, Atmospheric Science And Meteorology Keywords: life cycle assessment; sisal production; circular economy; nutrient depletion; anaerobic digestion; waste management; bioenergy; biogas.

Online: 12 July 2021 (23:02:10 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202009.0551.v2

Soil Nutrients and Carbon Dynamics in the Presence of Biochar-swine Manure Mixture Under Controlled Leaching Experiment Using a Midwestern USA Soil

Chumki Banik, Jacek Koziel, Mriganka De, Darcy Bonds, Baitong Chen, Asheesh Singh, Mark Licht

Subject: Environmental And Earth Sciences, Environmental Science Keywords: C-mineralization; carbon sequestration; nutrient cycling; sustainability; waste management; animal agriculture; N-immobilization; N-mineralization

Online: 24 September 2020 (09:02:34 CEST)

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Biochar application to the soil can improve soil quality and nutrient leaching loss. Recent studies have reported that surficial application of biochar to stored swine manure can reduce emissions of odorous compounds and reduce the volatilization loss of ammonia. Our working hypothesis was that the biochar-treated manure application to the soil would decrease nutrient leaching from manure and increase plant-available nutrients. The study objectives were to evaluate the impact of biochar-treated swine manure on soil total C, N, and other major and minor nutrients. Three biochars (i) neutral pH red-oak (RO), (ii) highly alkaline autothermal corn (Zea mays) stover (HAP), and (iii) mild acidic Fe-treated autothermal corn stover (HAPE) were incubated with swine manure for a month. The biochar-manure mixture was applied in triplicate to soil columns with application rate determined by the P₂O₅-P content in manure or manure-biochar mixtures after the incubation. The ammonium (NH₄⁺), nitrate (NO₃^-), and reactive P concentrations in soil column leachates were recorded for eight leaching events. Soil properties and plant-available nutrients were compared between treatments and control manure & soil. Manure-(HAP&HAPE) biochar treatments significantly increased soil organic matter (OM) and increased soil total C, N, and improved soil bulk density. Concentrations of KCl-extractable NH₄⁺ and NO₃^- significantly increased in HAPE column leachates during this 4-week study and in the soil after the experiment. A significant reduction in soil Mehlich3 Cu was also observed for the manure-HAPE mixture compared with the control. Overall, the manure-biochar incubation enabled biochar to sorb nutrients from manure, and the subsequent manure-biochar mixture application to soil improved soil quality and plant nutrient availability in comparison to conventional manure application to soil. This proof-of-the-concept study suggests that biochars could be used to solve both environmental and agronomic challenges and further improve the sustainability of animal and crop production agriculture.

Preprint COMMUNICATION | doi:10.20944/preprints202007.0073.v2

Sexual Dimorphism in the Multielemental Stoichiometric Phenotypes and Stoichiometric Niches of Spiders

Łukasz Sobczyk, Michał Filipiak, Marcin Czarnoleski

Subject: Biology And Life Sciences, Ecology, Evolution, Behavior And Systematics Keywords: ecological stoichiometry; predator; spider; sex; nutrition; nutritional ecology; arthropod; nutrient cycling; trophic link; food web

Online: 29 July 2020 (09:40:28 CEST)

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Preprint ESSAY | doi:10.20944/preprints201611.0142.v1

Seasonal Applicability of Three Plant Constructed Wetlands for Nutrient Removal in Pilot Scale

Farham Aminsharei, Seyed Mehdi Borghei, Reza Arjomandi, Jafar Nouri, Alireza Pendashteh

Subject: Environmental And Earth Sciences, Environmental Science Keywords: sub-surface flow constructed wetland; nutrient removal; wastewater treatment; Lactuca sativa; Medicago sativa; Phragmites australis

Online: 28 November 2016 (10:34:49 CET)

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Preprint ARTICLE | doi:10.20944/preprints202312.0043.v1

Synergistic Effects of Zeolite-Sewage Sludge Blends and Reduced Nitrogen Doses on Soil Carbon Fractions, Nutrient Index, and Plant Growth of Rice in Controlled Environment

Jencymol Thomas, Arun Kumar K, Balkrishna S Bhople, Vijay Kant Singh, Sanjat K. Kumar Sahu, Jayanthi J, Omkar Singh, Eman A. Mahmoud, Fazal Ullah, Ihab Mohamed Moussa, Mohamed Al-Yafrasi, Hosam O Elansary

Subject: Environmental And Earth Sciences, Soil Science Keywords: Zeolite; Sewage Sludge; Nutrient Use Efficiency; Plant Growth Response; Recommended Dose of Fertilizer; Principal Component Analysis

Online: 1 December 2023 (08:06:53 CET)

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: Alluvial soils naturally possess abundant soil nutrients. Nevertheless, excessive nitrogen addition and inappropriate use of nitrogen fertilizers lead to conditions where soil nutrients become immo-bilized, ultimately reducing productivity. This study investigates the potential of natural nano-material zeolite which is important land resources to improve nutrient utilization efficiency and mitigate the harmful effects of excessive fertilizer application. Specifically, the research ex-plores the incorporation of clinoptilolite zeolite and processed sewage sludge blends, alongside reduced recommended nitrogen fertilizer doses, to evaluate their impact on soil quality and plant growth. A greenhouse experiment was conducted (three-year study), comprising eight treatments with varying proportions of zeolite and sewage sludge. The efficacy of these treatments in en-hancing soil carbon pools, nutrient indices, and plant growth responses was assessed. Results in-dicate that a combination of 50% recommended fertilizer dose, 4-6% zeolite, and 5-10% sewage sludge significantly improved multiple aspects of plant growth, including leaves, tillers, culms, and panicles, leading to increased straw and grain yields. The addition of 6% zeolite in conjunc-tion with sewage sludge positively influenced plant tillering capacity. Certain treatment combina-tions exhibited a greater impact on plant height at different growth stages. For example, the treatment with 75% recommended fertilizer dose, 4% zeolite, and 5% sewage sludge significantly affected plant height at 40 and 55 days after treatment. Additionally, the combination of 50% recommended fertilizer dose, 6% zeolite, and 10% sewage sludge promoted plant height, carbon levels, and various yield parameters in later stages. Principal component analysis effectively dis-tinguished treatments incorporating zeolite and sewage sludge based on plant responses. The combination of 6% zeolite and 10% sewage sludge, along with a 50% recommended fertilizer dose, positively influenced soil carbon fractions, nutrient levels, and the growth response of rice plants.

Preprint ARTICLE | doi:10.20944/preprints202309.1451.v1

Evaluation of the Available Energy Value and Amino Acid Digestibility of Brown Rice Stored for 6 Years and Its Application in Pig Diets

Beibei He, Jingjing Shi, Kuanbo Liu, Junlin Cheng, Weiwei Wang, Yongwei Wang, Aike Li

Subject: Biology And Life Sciences, Animal Science, Veterinary Science And Zoology Keywords: stored brown rice; energy and nutrient value; growth performance; physiological and metabolic characteristic; meat quality; pig

Online: 21 September 2023 (04:51:49 CEST)

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Long-term storage may reduce the nutritional quality of brown rice, so the present study was aimed to evaluate the nutritive values and application in pig diets. In Exp.1, 18 Landrace × Yorkshire (L × Y) barrows with initial body weight (IBW) of 25.48 ± 3.21 kg were randomly assigned to three treatments, which included corn diet, one-year stored brown rice (BR1) diet and six-year stored brown rice (BR6) diet, to determine the digestible energy (DE) and metabolisable energy (ME) value of stored brown rice. In Exp. 2, 24 barrows (L × Y; IBW: 22.16 ± 2.42 kg) fixed with ileal T-cannula were randomly allotted to four dietary treatments, including corn diet, two stored brown rice diets and nitrogen-free diet, to evaluate the amino acid (AA) digestibility of stored brown rice. In Exp. 3 and 4, 108 crossbred weaned piglets (L × Y; IBW: 9.16 ± 0.89 kg) and 90 crossbred growing pigs (L × Y; IBW: 48.28 ± 3.51 kg) were allotted to 3 treatment diets, including control diet and two stored brown rice diets, respectively, to investigate the application of stored brown rice in weaned piglet and growing-finishing pig diets. Results showed that: 1) The DE and ME of corn and stored brown rice showed no significant differences (P > 0.05), while the apparent ileal digestibility (AID) of arginine, histidine, aspartic acid, and the standardized ileal digestibility (SID) of arginine and histidine were higher in stored brown rice compared to corn (P < 0.05). 2) Compared with the control diet, the stored brown rice diets showed no significant effects on growth performance, nutrient apparent total tract digestibility (ATTD) and serum biochemical indices (P > 0.05), but decreased digestive enzymes activities in duodenum, jejunum and ileum of piglets (P < 0.05). 3) Compared with the control diet, the stored brown rice diets showed no significant effects on growth performance, carcass traits, meat quality, fatty acids profiles in the longissimus dorsi muscle of growing-finishing pigs (P > 0.05). In conclusion, the brown rice stored for 6 years under good conditions has no obvious changes in available energy and nutrient values. Although it may reduce digestive enzyme activity in small intestine of the piglets, the stored brown rice showed no obvious adverse effect on growth performance and meat quality, and can be effectively used in pig diet.

Preprint ARTICLE | doi:10.20944/preprints202102.0417.v2

Comparing Biochar-Swine Manure Mixture to Conventional Manure Impact on Soil Nutrient Availability and Plant Uptake – A Greenhouse Study

Chumki Banik, Jacek Koziel, Darcy Bonds, Asheesh Singh, Mark Licht

Subject: Environmental And Earth Sciences, Atmospheric Science And Meteorology Keywords: nutrient use efficiency; plant uptake; N-mineralization; carbon sequestration; manure management; animal-crop production systems; sustainability

Online: 3 March 2021 (09:49:16 CET)

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The use of swine manure as a source of plant nutrients is one alternative to synthetic fertilizers. However, conventional manure application with >90% water and a low C:N ratio results in soil C loss to the atmosphere. Our hypothesis was to use biochar as a manure nutrient stabilizer that would slowly release nutrients to plants upon biochar-swine manure mixture application to soil. The objectives were to evaluate the impact of biochar-treated swine manure on soil total C, N, and plant-available macro and micronutrients in greenhouse-cultivated corn (Zea mays L.) and soybean (Glycine max (L.) Merr.). Neutral pH red oak (RO), highly alkaline autothermal corn stover (HAP), and mild acidic Fe-treated autothermal corn stover (HAPE) biomass were pyrolyzed to prepare biochars. Each biochar was surface-applied to swine manure at a 1:4 (biochar wt/manure wt) ratio to generate mixtures of manure and respective biochars (MRO, MHAP, and MHAPE). Conventional manure (M) control and manure-biochar mixtures were then applied to the soil at a recommended rate. Corn and soybean were grown under these controls and treatments (S, M, MRO, MHAP, and MHAPE) to evaluate the manure-biochar impact on soil quality, plant biomass yield, and nutrient uptake. Soil OM significantly (<0.05) increased in all manure-biochar treatments; however, no change in soil pH or N was observed under any treatment. No difference in soil ammonium between treatments was identified. There was a significant decrease in soil M3-P and soil NO₃^- for all manure-biochar treatments compared to the conventional M. However, the plant biomass nutrient concentrations were not significantly different from control manure. Moreover, an increasing trend of N and decreasing trend of P in the plant under all biochar-manure treatments than the controls were noted. This observation suggests that the presence of biochar is capable of influencing the soil N and P in such a way as not to lose those nutrients at the early growth stages of the plant. In general, no statistical difference in corn or soybean biomass yield and plant nutrient uptake for N, P, and K was observed. Interestingly, manure-biochar application to soil significantly diluted the M3-extractable soil Cu and Zn concentrations. The results attribute that manure-biochar has the potential to be a better soil amendment than conventional manure application to the soil.

Working Paper REVIEW

Towards the Reduction of Greenhouse Gas Emissions and Protecting Surface Waters in the Province of North Savo, Finland

Helvi Heinonen-Tanski

Subject: Environmental And Earth Sciences, Environmental Science Keywords: agricultural soils; carbon dioxide (CO2), energy; forests; methane (CH4), nitrous oxide (N2O), nutrient leaching; peat; traffic

Online: 6 November 2020 (17:19:26 CET)

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Preprint REVIEW | doi:10.20944/preprints201806.0444.v1

Vitamin C to Improve Organ Dysfunction in Cardiac Surgery Patients—Review and Pragmatic Approach

Aileen Hill, Sebastian Borosch, Carina Benstöm, Christina Neubauer, Patrick Meybohm, Pascal Langlois, Neill KJ Adhikari, Daren K Heyland, Christian Stoppe

Subject: Medicine And Pharmacology, Dietetics And Nutrition Keywords: vitamin C; ascorbic acid; cardiac surgery; antioxidant therapy; nutrient; oxidative stress; organ dysfunction; multi organ failure

Online: 27 June 2018 (12:29:23 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202303.0216.v1

Aspen Plus(r) Process Simulation Model of the Biomass Ash-Based Treatment of Anaerobic Digestate for Production of Fertilizer and Upgradation of Biogas

Alejandro Moure Abelenda, Abdikhani Ali, Kirk Taylor Semple, Farid Aiouache

Subject: Engineering, Chemical Engineering Keywords: Waste valorization; stabilization; nutrient recovery; closed-loop; modelling; circular economy; ammonium carbonate; organic fertilizer; bioenergy; biogas upgrading

Online: 13 March 2023 (04:42:38 CET)

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Working Paper ARTICLE

Tolerance Mechanisms of the Aromatic and Medicinal Plant Salvia sclarea to Excess Zinc

Anelia Dobrikova, Emilia Apostolova, Anetta Hanć, Ekaterina Yotsova, Preslava Borisova, Ilektra Sperdouli, Ioannis-Dimosthenis S. Adamakis, Michael Moustakas

Subject: Biology And Life Sciences, Anatomy And Physiology Keywords: Chlorophyll fluorescence; clary sage; nutrient uptake; oxidative stress; photosynthesis; phytoremediation; phytostabilization; photosynthetic pigments; phenolic content; Zn toxicity

Online: 2 December 2020 (15:36:30 CET)

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Working Paper ARTICLE

Adolescents Are More than Twice as Likely to Consume Soft Drinks and Chips at Locations Away from Home and School: Correspondence Analysis and Logistic Regression Results from the UK National Diet and Nutrition Survey Rolling Programme

Luigi Palla, Andrew Chapman, Eric Beh, Gerda Pot, Eva Almiron-Roig

Subject: Medicine And Pharmacology, Dietetics And Nutrition Keywords: obesity; eating context; nutrient-poor foods; nutritional surveillance; adolescents; survey data analysis; data-mining; correspondence analysis; biplots

Online: 9 June 2020 (13:52:45 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201705.0096.v1

Successes of Restoration and Its Effect on the Fish Community in a Freshwater Tidal Embayment of the Potomac River, USA

Kim De Mutsert, Amanda Sills, C. J. Carroll Schlick, R. Christian Jones

Subject: Biology And Life Sciences, Ecology, Evolution, Behavior And Systematics Keywords: fish assemblages; community dynamics; alternate stable states; eutrophication; submerged aquatic vegetation; nutrient load reduction; point-source pollution

Online: 11 May 2017 (07:54:59 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201806.0217.v1

Potassium Supplying Capacity of Diverse Soils and K-Use Efficiency of Maize in South Asia

Saiful Islam, Jagadish Timsina, Muhammad Salim, Kaushik Majumdar, Mahesh K Gathala

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: Site-specific K management, Soil K supply, Maize yield response to K, Maize Crop Manager, Nutrient Expert for Maize.

Online: 13 June 2018 (16:05:00 CEST)

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Increased nutrient withdrawal by rapidly expanding intensive cropping systems, in combination with imbalanced fertilization, is leading to potassium (K) depletion from agricultural soils in Asia. There is an urgent need to better understand the soil K-supplying capacity and K-use efficiency of crops to address this issue. Maize is increasingly being grown in rice-based systems in South Asia, particularly in Bangladesh and North East India. The high nutrient extraction, especially K, however, causes concerns for the sustainability of maize production systems in the region. The present study was designed to estimate, through a plant-based method, the magnitude, and variation in K-supplying capacity of a range of soils from the maize-growing areas and the K-use efficiency of maize in Bangladesh. Eighteen diverse soils were collected from several upazillas (or sub-districts) under 11 agro-ecological zones to examine their K-supplying capacity from the soil reserves and from K fertilization (@ 100 mg K kg-1 soil) for successive seven maize crops grown up to V10-V12 in pots inside a net house. A validation field experiment was conducted with five levels of K (0, 40, 80, 120 and 160 kg ha-1) and two fertilizer recommendations based on “Nutrient Expert for Maize-NEM” and “Maize Crop Manager-MCM” decision support tools (DSSs) in 12 farmers’ fields in Rangpur, Rajshahi and Comilla districts in Bangladesh. Grain yield and yield attributes of maize responded significantly (P < 0.001) to K fertilizer, with grain yield increase from 18 to 79% over control in all locations. Total K uptake by plants not receiving K fertilizer, considered as potential K-supplying capacity of the soil in the pot experiment, followed the order: Modhukhali >Mithapukur >Rangpur Sadar >Dinajpur Sadar >Jhinaidah Sadar >Gangachara >Binerpota >Tarash >Gopalpur >Daudkandi >Paba >Modhupur >Nawabganj Sadar >Shibganj >Birganj >Godagari >Barura >Durgapur. Likewise in the validation field experiment, the K-supplying capacity of soils was 83.5, 60.5 and 57.2 kg ha-1 in Rangpur, Rajshahi, and Comilla, respectively. Further, the order of K-supplying capacity for three sites was similar to the results from pot study confirming the applicability of results to other soils and maize-growing areas in Bangladesh and similar soils and areas across South Asia. Based on the results from pot and field experiments, we conclude that the site-specific K management using the fertilizer DSSs can be the better and more efficient K management strategy for maize.

Preprint ARTICLE | doi:10.20944/preprints202105.0721.v3

Vertical Boundary Mixing Events during Stratification Govern Heat and Nutrient Dynamics in Windy Tropical Lakes with High Water-Level Fluctuations: A Long-Term (2001-2018) Study

Martín Merino Ibarra, Jorge A. Ramírez-Zierold, Patricia M. Valdespino-Castillo, Fermin S. Castillo-Sandoval, Andrea P. Guzmán-Arias, Mariel Barjau-Aguilar, Emiliano Monroy-Ríos, Luz M. López- Gómez, Arantxa Sacristán-Ramírez, José G. Quintanilla-Terminel, Roberto González–De Zayas, Jorge Jimenez-Contreras, María E. Valeriano-Riveros, Gloria Vilaclara-Fatjó, Salvador Sánchez-Carrillo

Subject: Environmental And Earth Sciences, Environmental Science Keywords: eutrophication; water management; hypolimnetic warming; boundary mixing; mixing events; internal waves; long-term series; Valle de Bravo; biogeochemistry; nutrient flux

Online: 28 October 2021 (16:12:32 CEST)

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Preprint REVIEW | doi:10.20944/preprints202309.0482.v1

Alternative Splicing Variation: Accessing and Exploiting in Crop Improvement Programs

Sangam L. Dwivedi, Luis Quiroz, Anireddy S.N. Reddy, Charles Spillane, Rodomiro Ortiz

Subject: Biology And Life Sciences, Agricultural Science And Agronomy Keywords: Alternative splicing; biological rhythms; domestication and polyploidization; gene mining; heterosis; nutrient homeostasis; plant phenology and architecture; symbiosis; transcriptome and proteome diversity

Online: 7 September 2023 (09:30:00 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202307.0555.v1

GIS-Facilitated Germination of Stored Seeds from Five Wild-Growing Populations of Campanula pelviformis Lam. and Fertilization Effects on Growth, Nutrients, Phenol Content and Antioxidant Potential

Ioannis Anestis, Elias Pipinis, Stefanos Kostas, Evgenia Papaioannou, Eleftherios Karapatzak, Eleftherios Dariotis, Parthena Tsoulpha, Emmanouil Koundourakis, Eleni Chatzileontari, Georgios Tsoktouridis, Stefanos Hatzilazarou, Nikos Krigas

Subject: Biology And Life Sciences, Horticulture Keywords: Endemic plants; GIS; integrated nutrient management; macronutrients; medicinal interest; micronutrients; neglected and underutilized species; ornamental value; phytogenetic resources; sustainable exploitation; wild edible greens

Online: 10 July 2023 (10:21:07 CEST)

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While human activities and climate change are threatening available natural ecosystems, targeted studies on the biological cycle, propagation, and cultivation of threatened species are crucial both for their conservation and sustainable exploitation. This study was designed to bridge extant research gaps regarding the vulnerable local endemic Campanula pelviformis, a wild edible green traditionally consumed in Crete (Greece) with agro-alimentary and medicinal interest as well as ornamental value. New knowledge was obtained on the abiotic environmental conditions prevailing in its wild habitats (natural distribution mapped in Geographical Information Systems and linked with open-source databases). We collected seeds from wild-growing populations (three lowland, two semi-mountainous), we tested their germination at four different temperatures (10, 15, 20 and 25oC) and under different light conditions (light/dark and darkness), and we performed fertilization trails [integrated nutrient management (INF), chemical fertilization (ChF), control] examining morphological and physiological characteristics, above- and below-ground macro- and micronutrients contents, as well as their phenol content and antioxidant capacity. There were population and temperature effects on seed germination and their interaction was statistically significant. Campanula pelviformis germinated better at 10 and 15 oC (>85% for all populations) with no preference on light conditions (98.75% and 95% in light and dark conditions). The INF application increased root dry mass, chlorophyll content index and chlorophyll fluorescence compared to other treatments and was beneficial for macro- and micronutrients concentrations in above-ground parts compared to previously studied wild-growing material, while below-ground parts were positively impacted by both fertilization types. Total phenols and antioxidant capacity were both increased by ChF fertilization. The data furnished herein led to the re-evaluation and upgrade of the feasibility and the readiness timescale for its sustainable exploitation in different economic sectors.

Preprint REVIEW | doi:10.20944/preprints202209.0125.v1

Appropriate Human Serum Albumin Fluid Therapy and the Alleviation COVID-19 Vulnerabilities; An Explanation of the HSA Lymphatic Nutrient Pump

Andrew S. Johnson, Gianluca Polese, Max Johnson, William Winlow

Subject: Medicine And Pharmacology, Gastroenterology And Hepatology Keywords: Human serum albumin; COVID-19 vulnerabilities; fluid therapy; albumin binding deficiency; lymphatic nutrient pump; colloid pressure; interstitial spaces; albumin infusion; hepatic portal vein

Online: 8 September 2022 (13:40:16 CEST)

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