连续两年施氮对15龄混作禾草草地的改良效果研究
曹文侠,刘皓栋,李文,徐长林,李小龙,师尚礼
Nitrogen fertilizer effects on a 15 year old mixed species alpine pasture after two years
CAO Wen-Xia, LIU Hao-Dong, LI Wen, XU Chang-Lin, LI Xiao-Long, SHI Shang-Li
草业学报
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2015, (9): 130
-137
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DOI: 10.11686/cyxb2015007
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