Effect of nitrogen levels on alfalfa agronomic traits and economic benefit
JI Chao, YIN Guomei, LIU Sibo, MU Zongjie, XUE Yanlin, LI Jingzhong, MA Chunmei, ZHANG Ying, YANG Fenglan, LIANG Yewen
Journal of Northern Agriculture
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2021, (5): 127
-134
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DOI: 10.12190/j.issn.2096-1197.2021.05.18
