Eutrophication has been identified as a major cause of impaired water quality,and phosphorus(P)export in runoff can accelerate the eutrophication of receiving fresh waters.

• 针对磷素在田间条件下是否可以发生垂直迁移存有的疑问,利用模拟土柱研究了渗漏液磷含量的变化特点。