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Effect of N fertilizer types on N2O and NO emissions under drip fertigation from an agricultural field in the North China Plain
Tian, Di; Zhang, Yuanyuan; Mu, Yujing; Liu, Junfeng; He, Kebin
2020-05-01
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume715Pages:1-6
AbstractN2O and NO emissions from a winter wheat-summer maize rotation field in the North China Plain were comparably investigated under three different treatments: 1) flood irrigation (A-Flood treatment) plus fertilization of NH4Cl, 2) drip fertigation (A-Drip treatment) plus fertilization of NH4Cl and 3) drip fertigation (AN-Drip treatment) plus fertilization of a mixture of Ca(NO3)(2) and NH4Cl. The annual N2O cumulative emissions from the A-Drip treatment and the A-Flood treatment were almost identical, whereas it from the AN-Drip treatment was significantly lower (33%) than that from the A-Flood treatment. Compared with the A-Flood treatment, the annual NO cumulative emission from the A-Drip treatment was significantly increased by 140% but it from the AN-Drip treatment was only slightly increased by 14%. Compared with drip fertigation with NH4Cl, drip fertigation with the mixture of Ca(NO3)(2) and NH4Cl significantly reduced the cumulative emissions of N2O (31%) and NO (52%) from the nitrification dominated fields by decreasing the supplement of NH4+ substrate. Among the three fertilization treatments, the yields of the maize from the A-Drip and AN-Drip treatments were significantly increased, while the yields of the wheat were almost the same. Considering the benefit of increasing yields and reducing N fertilizer and water input, the application of nitrate-based fertilizer instead of partial ammonium-based fertilizer through drip fertigation could be a promising method for keeping agronomic productivity and environmental sustainability. (C) 2020 Elsevier B.V. All rights reserved.
Department水污染控制实验室
KeywordN2O NO Drip fertigation N fertilizer types North China Plain
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/45026
Collection水污染控制实验室
Recommended Citation
GB/T 7714
Tian, Di,Zhang, Yuanyuan,Mu, Yujing,et al. Effect of N fertilizer types on N2O and NO emissions under drip fertigation from an agricultural field in the North China Plain[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2020,715:1-6.
APA Tian, Di,Zhang, Yuanyuan,Mu, Yujing,Liu, Junfeng,&He, Kebin.(2020).Effect of N fertilizer types on N2O and NO emissions under drip fertigation from an agricultural field in the North China Plain.SCIENCE OF THE TOTAL ENVIRONMENT,715,1-6.
MLA Tian, Di,et al."Effect of N fertilizer types on N2O and NO emissions under drip fertigation from an agricultural field in the North China Plain".SCIENCE OF THE TOTAL ENVIRONMENT 715(2020):1-6.
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