分析了不合理施肥对土壤物理性质、化学性质、生物性质及重金属元素积累的影响，提出了使用科学施肥技术；开发新型肥料；改革耕作制度；发展生态农业；强化环保意识，加强监测管理等防治措施。

This paper analyzes the problem of soil contamination caused by unreasonable fertilization on soil physical properties， biological properties and chemical properties, heavy metal accumulation， and put forward the several measures to prevent soil contamination problem: proposed the use of scientific fertilization technology； development of new fertilizer； reform of farming system development； development of ecological agriculture； strengthen the consciousness of environmental protection， enhance the monitoring management.

X53