Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

Co-application of Biochar-Compost and Inorganic Nitrogen Fertilizer Affects the Growth and Nitrogen Uptake by Lowland Rice in Northern Ghana

Version 1 : Received: 18 April 2022 / Approved: 20 April 2022 / Online: 20 April 2022 (08:56:31 CEST)
Version 2 : Received: 24 April 2022 / Approved: 26 April 2022 / Online: 26 April 2022 (10:02:22 CEST)

How to cite: Aboagye, D.A.; Adjadeh, W.T.; Asuming-Brempong, S.; Nartey, E.K. Co-application of Biochar-Compost and Inorganic Nitrogen Fertilizer Affects the Growth and Nitrogen Uptake by Lowland Rice in Northern Ghana. Preprints 2022, 2022040188 (doi: 10.20944/preprints202204.0188.v2). Aboagye, D.A.; Adjadeh, W.T.; Asuming-Brempong, S.; Nartey, E.K. Co-application of Biochar-Compost and Inorganic Nitrogen Fertilizer Affects the Growth and Nitrogen Uptake by Lowland Rice in Northern Ghana. Preprints 2022, 2022040188 (doi: 10.20944/preprints202204.0188.v2).

Abstract

Inherent low soil fertility status limits productivity of rice in the lowland ecologies in Northern Ghana. Combining organic and inorganic N fertilizers could help to maintain the fertility of lowland soils for rice production. A screen house pot experiment was carried out to investigate the combined effect of biochar-compost and inorganic N fertilizer on the nitrogen uptake and agronomic performance of rice plants grown on Eutric Gleysol lowland soil. Inorganic N fertilizer alone and its combinations with different types of biochar-compost (based on the proportions of biochar and compost) were used as treatment. A control (unamended soil) was also included. The incorporation of biochar-compost and inorganic N fertilizer improved the growth parameters and yield components of rice plants. The combination of biochar-compost and inorganic nitrogen fertilizer was also found to improve nitrogen uptake and nutrient use efficiency (NUE) in rice plants. This practice could be the most likely viable option for alleviating lowlands soil fertility issues and increasing rice productivity in Northern Ghana.

Keywords

Co-composted Biochar; Nitrogen Uptake; Nitrogen Use Efficiency; Eutric Gleysol; Northern Ghana

Subject

BIOLOGY, Agricultural Sciences & Agronomy

Comments (1)

Comment 1
Received: 26 April 2022
Commenter: Daniel Asiamah Aboagye
Commenter's Conflict of Interests: Author
Comment: some of the arguments have been polished, and some extra topics have been added.
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