污水灌溉对沈阳市农田土壤中重金属含量的影响

通过对 2个灌区上、中、下游土壤中重金属的监测分析 ,得出虽然污水灌溉已停止 ,但其对土壤的污染仍然存在 ,重金属在土壤中累积并被作物吸收后随食物链进入人体 ,危害人类健康

Effect of Wastewater Irrigation on Heavy Metal Content in Farm Soil in Shenyang

Through the monitoring and analyzing the heavy metals present is the soil of two areas irrigated water from the upper,middle and lower reaches of the river,it is indicated that the soil pollution still exists even though the wastewater irrigation has ceased.The heavy metals have accumulated in the soil and have been transmitted into human bodies by the process of food chain,harm to human health has resulted.