Effects of Controlled-Release Urea on Grain Yield of Spring Maize, Nitrogen Use Efficiency and Nitrogen Balance

The effects of mixing controlled-released urea (CRU) (release period of resin coated urea is 90 days) and urea (U) on maize yield, nitrogen use efficiency and nitrogen balance were studied by 4 plot experiments (site:Shuangcheng, Binxian, Harbin and Zhaoyuan) in two years (from year 2011 to 2012) to...

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Bibliographic Details
Main Authors: JI Jing-hong, LI Yu-ying, LIU Shuang-quan, TONG Yu-xin, REN Gui-lin, LI Jie, LIU Ying, ZHANG Ming-yi
Format: Article
Language:zho
Published: Agro-Environmental Protection Institute, Ministry of Agriculture 2017-03-01
Series:Journal of Agricultural Resources and Environment
Subjects:
Online Access:http://www.aed.org.cn/nyzyyhjxb/html/2017/2/20170209.htm