Abstract
In this paper, the author discussed the effects of heavy metals on agricultural soil pollution and its control. This paper briefly reviews the famous events of metal pollution in soil at home and abroad, discusses the source of heavy metals pollution in soil from four aspects, and elaborates the phytoremediation and application from aspects of the migration, transport of heavy metals ion, selection of hyper accumulator and telltale effects of the plants. Finally, it discusses the key problems existing in this field. The AHP method and algorithm is proposed in this paper and the experiment result shows the proposed method can improve the performance of the system.
