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...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | zho |
Published: |
Agro-Environmental Protection Institute, Ministry of Agriculture
2017-03-01
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Series: | Journal of Agricultural Resources and Environment |
Subjects: | |
Online Access: | http://www.aed.org.cn/nyzyyhjxb/html/2017/2/20170209.htm |