Reduction in nitrogen fertilizer applications by the use of polymer-coated urea: effect on maize yields and environmental impacts of nitrogen losses

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成果类型：

期刊论文

作者：

Xie, Yong;Tang, Li;Han, Yongliang;Yang, Lan;Xie, Guixian;...

通讯作者：

Rong, Xiangmin;Zhang, Yuping

作者机构：

[Xie, Guixian; Tang, Li; Rong, XM; Zhang, Yuping; Tian, Chang; Rong, Xiangmin; Liu, Qiang; Peng, Jianwei; Yang, Lan; Han, Yongliang; Xie, Yong] Hunan Agr Univ, Coll Resources & Environm, POB 410128,1 Nongda Rd, Changsha, Hunan, Peoples R China.

[Xie, Guixian; Tang, Li; Zhang, Yuping; Tian, Chang; Rong, Xiangmin; Liu, Qiang; Peng, Jianwei; Yang, Lan; Han, Yongliang; Xie, Yong] Natl Engn Lab Soil & Fertilizer Resources Efficie, Changsha, Hunan, Peoples R China.

[Xie, Guixian; Tang, Li; Zhang, Yuping; Tian, Chang; Rong, Xiangmin; Liu, Qiang; Peng, Jianwei; Yang, Lan; Han, Yongliang; Xie, Yong] Hunan Prov Key Lab Farmland Pollut Control & Agr, Changsha, Hunan, Peoples R China.

[Zhou, Xuan] Hunan Acad Agr Sci, Soil & Fertilizer Inst, Changsha, Hunan, Peoples R China.

通讯机构：

[Rong, XM; Zhang, YP] H

Hunan Agr Univ, Coll Resources & Environm, POB 410128,1 Nongda Rd, Changsha, Hunan, Peoples R China.

语种：

英文

关键词：

PCU application;N rates;maize yield;N2O emission;NH3 emission

期刊：

Journal of the Science of Food and Agriculture

ISSN：

0022-5142

年：

2019

卷：

期：

页码：

2259-2266

DOI：

10.1002/jsfa.9421

基金类别：

This study was financially supported by the National Science & Technology Pillar Program (2014BAC09B01) and the Platform Project of the Educational Commission of Hunan Province of China (15K056). We gratefully acknowledge the technical assistance provided by the Liuyang Experimental Station of Hunan Agricultural University.

机构署名：

本校为第一且通讯机构

院系归属：

资源环境学院

摘要：

AbstractBACKGROUNDUrea is commonly over‐applied as a nitrogen (N) fertilizer to crops in southern China and has a low utilization efficiency as a result of the high precipitation and high temperatures in this region. This has led to a need to optimize the management of N fertilizer use in maize crops on the subtropical hilly uplands of southern China.RESULTSWe investigated the effects of applying different amounts of N in the form of polymer‐coated urea (PCU) on the yield of maize and gaseous losses of N from soils in the form of NH3 and N2O....

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Reduction in nitrogen fertilizer applications by the use of polymer-coated urea: effect on maize yields and environmental impacts of nitrogen losses

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