Nitrogen Release in Soils Amended with Different Organic and Inorganic Fertilizers under Contrasting Moisture Regimes: A Laboratory Incubation Study

Understanding nitrogen (N) release patterns and kinetics is a key challenge for improving N use efficiency in any agroecosystem. An incubation experiment was done to study the N release pattern and kinetics of contrasting soils amended with compost (CO), poultry manure (PM), rice husk biochar (RHB),...

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Autores principales:	Shihab Uddin, Mohammad Rafiqul Islam, Mohammad Mofizur Rahman Jahangir, Mohammad Mojibur Rahman, Sabry Hassan, Mohamed M. Hassan, Ali A. Abo-Shosha, Atef F. Ahmed, Mohammad Mahmudur Rahman
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	biochar nitrogen release N release kinetics integrated plant nutrient system organic amendment field capacity Agriculture S
Acceso en línea:	https://doaj.org/article/9565b3b1895c40398369b50f7db62e6f
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spelling	oai:doaj.org-article:9565b3b1895c40398369b50f7db62e6f2021-11-25T16:04:50ZNitrogen Release in Soils Amended with Different Organic and Inorganic Fertilizers under Contrasting Moisture Regimes: A Laboratory Incubation Study10.3390/agronomy111121632073-4395https://doaj.org/article/9565b3b1895c40398369b50f7db62e6f2021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4395/11/11/2163https://doaj.org/toc/2073-4395Understanding nitrogen (N) release patterns and kinetics is a key challenge for improving N use efficiency in any agroecosystem. An incubation experiment was done to study the N release pattern and kinetics of contrasting soils amended with compost (CO), poultry manure (PM), rice husk biochar (RHB), poultry manure biochar (PMB) and cowdung (CD) combined with chemical fertilizer (integrated plant nutrient system, IPNS approach) under two moisture regimes, viz. field capacity (FC) and continuous standing water (CSW) at 25 °C for 120 days. Our results revealed that NH<sub>4</sub><sup>+</sup>-N was the dominant under CSW conditions, whereas NO<sub>3</sub><sup>−</sup>-N was dominant under FC conditions. Net mineral N data fitted well to the first order kinetic model. Both N release potential (N<sub>0</sub>) and rate constant (k) were greater in acidic soil than those of charland soil. The maximum N release varied between 24.90–76.29% of input depending on soil type and moisture status. N mineralization was strongly correlated with urea N application. PM and PMB mineralized in all soil and moisture conditions whereas N immobilization was observed in the case of RHB. N mineralization was strongly correlated with urea N application. Gaseous N losses were different for the organic amendments exhibiting more gaseous N losses in PM, CD and CO based IPNS whereas the lowest gaseous N loss was observed in PMB based IPNS. Biochar based IPNS increased soil pH in all conditions. Thus, the present study suggests that N release depends on soil type, soil moisture and type of organic amendment. However, CO, PM and CD based IPNS can be recommended for both acidic and charland soils in terms of N release as short duration crops will suffer from N deficiency if biochar based IPNS is used in the field.Shihab UddinMohammad Rafiqul IslamMohammad Mofizur Rahman JahangirMohammad Mojibur RahmanSabry HassanMohamed M. HassanAli A. Abo-ShoshaAtef F. AhmedMohammad Mahmudur RahmanMDPI AGarticlebiocharnitrogen releaseN release kineticsintegrated plant nutrient systemorganic amendmentfield capacityAgricultureSENAgronomy, Vol 11, Iss 2163, p 2163 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	biochar nitrogen release N release kinetics integrated plant nutrient system organic amendment field capacity Agriculture S
spellingShingle	biochar nitrogen release N release kinetics integrated plant nutrient system organic amendment field capacity Agriculture S Shihab Uddin Mohammad Rafiqul Islam Mohammad Mofizur Rahman Jahangir Mohammad Mojibur Rahman Sabry Hassan Mohamed M. Hassan Ali A. Abo-Shosha Atef F. Ahmed Mohammad Mahmudur Rahman Nitrogen Release in Soils Amended with Different Organic and Inorganic Fertilizers under Contrasting Moisture Regimes: A Laboratory Incubation Study
description	Understanding nitrogen (N) release patterns and kinetics is a key challenge for improving N use efficiency in any agroecosystem. An incubation experiment was done to study the N release pattern and kinetics of contrasting soils amended with compost (CO), poultry manure (PM), rice husk biochar (RHB), poultry manure biochar (PMB) and cowdung (CD) combined with chemical fertilizer (integrated plant nutrient system, IPNS approach) under two moisture regimes, viz. field capacity (FC) and continuous standing water (CSW) at 25 °C for 120 days. Our results revealed that NH<sub>4</sub><sup>+</sup>-N was the dominant under CSW conditions, whereas NO<sub>3</sub><sup>−</sup>-N was dominant under FC conditions. Net mineral N data fitted well to the first order kinetic model. Both N release potential (N<sub>0</sub>) and rate constant (k) were greater in acidic soil than those of charland soil. The maximum N release varied between 24.90–76.29% of input depending on soil type and moisture status. N mineralization was strongly correlated with urea N application. PM and PMB mineralized in all soil and moisture conditions whereas N immobilization was observed in the case of RHB. N mineralization was strongly correlated with urea N application. Gaseous N losses were different for the organic amendments exhibiting more gaseous N losses in PM, CD and CO based IPNS whereas the lowest gaseous N loss was observed in PMB based IPNS. Biochar based IPNS increased soil pH in all conditions. Thus, the present study suggests that N release depends on soil type, soil moisture and type of organic amendment. However, CO, PM and CD based IPNS can be recommended for both acidic and charland soils in terms of N release as short duration crops will suffer from N deficiency if biochar based IPNS is used in the field.
format	article
author	Shihab Uddin Mohammad Rafiqul Islam Mohammad Mofizur Rahman Jahangir Mohammad Mojibur Rahman Sabry Hassan Mohamed M. Hassan Ali A. Abo-Shosha Atef F. Ahmed Mohammad Mahmudur Rahman
author_facet	Shihab Uddin Mohammad Rafiqul Islam Mohammad Mofizur Rahman Jahangir Mohammad Mojibur Rahman Sabry Hassan Mohamed M. Hassan Ali A. Abo-Shosha Atef F. Ahmed Mohammad Mahmudur Rahman
author_sort	Shihab Uddin
title	Nitrogen Release in Soils Amended with Different Organic and Inorganic Fertilizers under Contrasting Moisture Regimes: A Laboratory Incubation Study
title_short	Nitrogen Release in Soils Amended with Different Organic and Inorganic Fertilizers under Contrasting Moisture Regimes: A Laboratory Incubation Study
title_full	Nitrogen Release in Soils Amended with Different Organic and Inorganic Fertilizers under Contrasting Moisture Regimes: A Laboratory Incubation Study
title_fullStr	Nitrogen Release in Soils Amended with Different Organic and Inorganic Fertilizers under Contrasting Moisture Regimes: A Laboratory Incubation Study
title_full_unstemmed	Nitrogen Release in Soils Amended with Different Organic and Inorganic Fertilizers under Contrasting Moisture Regimes: A Laboratory Incubation Study
title_sort	nitrogen release in soils amended with different organic and inorganic fertilizers under contrasting moisture regimes: a laboratory incubation study
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/9565b3b1895c40398369b50f7db62e6f
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Nitrogen Release in Soils Amended with Different Organic and Inorganic Fertilizers under Contrasting Moisture Regimes: A Laboratory Incubation Study

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