农牧交错带退耕还草对耕作层土壤磷、钾含量的影响
韩永伟, 韩建国, 王堃, 张蕴薇, 康俊梅
Soil Content of Phosphorus and Potassium in the Agro-Pastoral Transitional Zone After Cropland Being transformed into Grassland
HAN Yong-wei, HAN Jian-guo, WANG Kun, ZHANG Yun-wei, KANG Jun-mei
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2003, (3): 228
-233
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DOI: 10.11733/j.issn.1007-0435.2003.03.008