农牧交错带退耕还草对土壤淀粉酶和脲酶活性的影响
韩永伟, 韩建国, 张蕴薇, 王堃
Amylase and Urease Contents in the Soil of Cropland-Turned Grassland in the Agro-pastoral Zone
HAN Yong-wei, HAN Jian-guo, ZHANG Yun-wei, WANG Kun
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2005, (1): 59
-63,74
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DOI: 10.11733/j.issn.1007-0435.2005.01.014