Response of soil N2O emission and nitrogen utilization to organic matter in the wheat and maize rotation system

Abstract The appropriate nitrogen (N) fertilizer regulator could increase N utilization of crops and reduce N losses in the North China Plain. We investigated the effects of reduced inorganic-N rate combined with an organic fertilizer on nitrous oxide (N2O) emissions in winter wheat and summer maize...

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Autores principales:	Xiaoxiao Shu, Yanqun Wang, Yaling Wang, Yang Ma, Mingxin Men, Yunpu Zheng, Cheng Xue, Zhengping Peng, Christos Noulas
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/08e871c139ee4aba9726f0adf4cc6241
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spelling	oai:doaj.org-article:08e871c139ee4aba9726f0adf4cc62412021-12-02T14:28:18ZResponse of soil N2O emission and nitrogen utilization to organic matter in the wheat and maize rotation system10.1038/s41598-021-83832-72045-2322https://doaj.org/article/08e871c139ee4aba9726f0adf4cc62412021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-83832-7https://doaj.org/toc/2045-2322Abstract The appropriate nitrogen (N) fertilizer regulator could increase N utilization of crops and reduce N losses in the North China Plain. We investigated the effects of reduced inorganic-N rate combined with an organic fertilizer on nitrous oxide (N2O) emissions in winter wheat and summer maize rotation system. Simultaneously studied the effect of different treatments on N use efficiency (NUE), N balance and net income. After reducing the amount of nitrogen fertilizer in the wheat-corn rotation system, the results showed that the cumulative emission of soil N2O from the RN40% + HOM [40% of RN (recommended inorganic-N rate) with homemade organic matter] treatment was 41.0% lower than that of the RN treatment. In addition, the N production efficiency, agronomic efficiency, and apparent utilization were significantly increased by 50.2%, 72.4% and 19.5% than RN, respectively. The use of RN40% + HOM resulted in 22.0 and 30.1% lower soil N residual and N losses as compared with RN. After adding organic substances, soil N2O cumulative emission of RN40% + HOM treatment decreased by 20.9% than that of the HAN (zinc and humic acid urea at the same inorganic-N rate of RN) treatment. The N production efficiency, N agronomic efficiency and NUE of RN40% + HOM treatment were 36.6%, 40.9% and 15.3% higher than HAN’s. Moreover, soil residual and apparent loss N were 23.3% and 18.0% less than HAN’s. The RN40% + HOM treatment appears to be the most effective as a fertilizer control method where it reduced N fertilizer input and its loss to the environment and provided the highest grain yield.Xiaoxiao ShuYanqun WangYaling WangYang MaMingxin MenYunpu ZhengCheng XueZhengping PengChristos NoulasNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Xiaoxiao Shu Yanqun Wang Yaling Wang Yang Ma Mingxin Men Yunpu Zheng Cheng Xue Zhengping Peng Christos Noulas Response of soil N2O emission and nitrogen utilization to organic matter in the wheat and maize rotation system
description	Abstract The appropriate nitrogen (N) fertilizer regulator could increase N utilization of crops and reduce N losses in the North China Plain. We investigated the effects of reduced inorganic-N rate combined with an organic fertilizer on nitrous oxide (N2O) emissions in winter wheat and summer maize rotation system. Simultaneously studied the effect of different treatments on N use efficiency (NUE), N balance and net income. After reducing the amount of nitrogen fertilizer in the wheat-corn rotation system, the results showed that the cumulative emission of soil N2O from the RN40% + HOM [40% of RN (recommended inorganic-N rate) with homemade organic matter] treatment was 41.0% lower than that of the RN treatment. In addition, the N production efficiency, agronomic efficiency, and apparent utilization were significantly increased by 50.2%, 72.4% and 19.5% than RN, respectively. The use of RN40% + HOM resulted in 22.0 and 30.1% lower soil N residual and N losses as compared with RN. After adding organic substances, soil N2O cumulative emission of RN40% + HOM treatment decreased by 20.9% than that of the HAN (zinc and humic acid urea at the same inorganic-N rate of RN) treatment. The N production efficiency, N agronomic efficiency and NUE of RN40% + HOM treatment were 36.6%, 40.9% and 15.3% higher than HAN’s. Moreover, soil residual and apparent loss N were 23.3% and 18.0% less than HAN’s. The RN40% + HOM treatment appears to be the most effective as a fertilizer control method where it reduced N fertilizer input and its loss to the environment and provided the highest grain yield.
format	article
author	Xiaoxiao Shu Yanqun Wang Yaling Wang Yang Ma Mingxin Men Yunpu Zheng Cheng Xue Zhengping Peng Christos Noulas
author_facet	Xiaoxiao Shu Yanqun Wang Yaling Wang Yang Ma Mingxin Men Yunpu Zheng Cheng Xue Zhengping Peng Christos Noulas
author_sort	Xiaoxiao Shu
title	Response of soil N2O emission and nitrogen utilization to organic matter in the wheat and maize rotation system
title_short	Response of soil N2O emission and nitrogen utilization to organic matter in the wheat and maize rotation system
title_full	Response of soil N2O emission and nitrogen utilization to organic matter in the wheat and maize rotation system
title_fullStr	Response of soil N2O emission and nitrogen utilization to organic matter in the wheat and maize rotation system
title_full_unstemmed	Response of soil N2O emission and nitrogen utilization to organic matter in the wheat and maize rotation system
title_sort	response of soil n2o emission and nitrogen utilization to organic matter in the wheat and maize rotation system
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/08e871c139ee4aba9726f0adf4cc6241
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Response of soil N2O emission and nitrogen utilization to organic matter in the wheat and maize rotation system

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