Some problems eoncerning fractionatian of organic phosphorus in acid paddy soils using the Bowman-Cole methcd were studied and a modified sequential fractionation scheme was proposed. Four organic phosphorus fractions were identified as follows.
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熊恒多,李世俊,范业宽.酸性水稻土有机磷分组法的探讨[J].土壤学报,1993,30(4):390-399. Xiong Hengduo, Li Shijun, Fan Yekuan. ON THE FRACTIONATION OF ORGANIC PHOSPHORUS IN ACID PADDY SOIL[J]. Acta Pedologica Sinica,1993,30(4):390-399.