不同种植年限紫花苜蓿人工草地土壤有机碳及土壤酶活性垂直分布特征
吴旭东,张晓娟,谢应忠,徐坤,杨菁
Vertical distribution characters of soil organic carbon and soil enzyme activity in alfalfa field with different growing years
WU Xu-dong, ZHANG Xiao-juan, XIE Ying-zhong, XU Kun, YANG Jing
草业学报
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2013, (1): 245
-251
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