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Effect of nitrogen fertilizer on dry matter accumulation and yield in wheat/maize/soybean intercropping systems
CHEN Yuan-xue,CHEN Xiao-hui,TANG Yi-qin,ZHANG Fu-suo,CHEN Xin-ping,ZHANG Chao-chun,LIU Jing,XU Kai-wei
Acta Prataculturae Sinica . 2014, (1): 73 -83 .  DOI: 10.11686/cyxb20140110