采用室内土柱淋溶模拟试验，研究相当于一年降雨条件下磷肥在棕壤土垂直方向上的淋溶迁移特征及鸡粪、秸秆对磷素迁移转化的影响。
Soil column is used to study the characteristics of the movement of phosphate in uprightness direction in brown soil which is in one year rainfall condition.
磷肥多以高含磷复合肥为主，造成土壤中磷素累积。
Phosphorus (P) fertilizer has been high-analysis compound fertilizer which resulted in P accumulation in soil.
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