When different tillage types were applied to the tested soil at the same layer, the content of organic phosphorus fractions and Ca_2-P among treatments varied in the order of NTS>NT>TS>T.

• 与T处理相比,NTS、NT和TS均可增加土壤活性有机磷、中度活性有机磷、中稳性有机磷、高稳性有机磷和Ca_2-P含量,增加大小的排列顺序为: NTS> NT> TS> T;