Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effect of Reduced Nitrogen Fertilization Recommended by the EC "From Field to Table" Strategy on the Chemical and Biological Traits of Soils under Maize Crops

Agnieszka Wolińska
ORCID logo ,
Artur Banach
* ORCID logo ,
Anna Kruczyńska
ORCID logo ,
Anna Sochaczewska
,
Weronika Goraj
,
Andrzej Górski
,
Jacek Podlewski
,
Andrzej Słomczewski
,
Agnieszka Kuźniar
ORCID logo
Version 1 : Received: 28 July 2023 / Approved: 28 July 2023 / Online: 28 July 2023 (11:54:16 CEST)

How to cite: Wolińska, A.; Banach, A.; Kruczyńska, A.; Sochaczewska, A.; Goraj, W.; Górski, A.; Podlewski, J.; Słomczewski, A.; Kuźniar, A. Effect of Reduced Nitrogen Fertilization Recommended by the EC "From Field to Table" Strategy on the Chemical and Biological Traits of Soils under Maize Crops. Preprints 2023, 2023072000. https://doi.org/10.20944/preprints202307.2000.v1 Wolińska, A.; Banach, A.; Kruczyńska, A.; Sochaczewska, A.; Goraj, W.; Górski, A.; Podlewski, J.; Słomczewski, A.; Kuźniar, A. Effect of Reduced Nitrogen Fertilization Recommended by the EC "From Field to Table" Strategy on the Chemical and Biological Traits of Soils under Maize Crops. Preprints 2023, 2023072000. https://doi.org/10.20944/preprints202307.2000.v1

Abstract

The aim of the study was to verify whether a reduced nitrogen (N) fertilization rate according to the EU recommendation (“From field to table” directive) may guarantee good yields and will be sufficient to maintain soil fertility in monoculture maize cultivation in the no-tillage (NT) system versus the traditional plowing (P) system. Two fields (10 ha each) were established for P and NT maize cultivation where the following N doses were applied: 0.0; 69.0, 92.0, and 115.0 kg ha-1. Soils (0-20 cm) were sampled two times per year - in spring (before maize sowing) and in autumn (after maize harvesting). A broad range of chemical (reaction, water holding capacity, total and easily degradable carbon, ammonium, nitrates, magnesium, calcium, potassium, sulfur) and biological (respiration, humic acids) parameters were monitored during the experiment. The vast majority of these factors had higher values in autumn than in spring. Although the role of reduced fertilization was not shown to be significant, the correlation analysis revealed some relationships between yield and nutrient availability. The 20% reduction in N fertilization does not have an adverse effect on the chemistry and biological characteristics of soils and does not worsen their chemical and biological quality.

Keywords

nitrogen; reduced fertilization; maize; soil chemical and biological properties; season

Subject

Biology and Life Sciences, Agricultural Science and Agronomy

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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