流沙和改良后土壤无机磷形态分级及其有效性研究

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段争虎, 肖洪浪

Fractionation and Availability of Soil Inorganic Phosphorus in Sand Soil and Improved One

DUAN Zheng-hu, XIAO Hong-fang

中国沙漠 . 2001, (2): 195 -199 .