郑州市污灌区土壤、粮食、蔬菜重金属污染状况及其评价

Contaminative situation and evaluation of heavy metals during soils, foodstuff and vegetable in sewage irrigating region of Zhengzhou

通过对“八五”与“九五”末期郑州市近郊污灌区土壤、粮食、蔬菜中重金属富集含量的监测结果统计和相关评价模式分析得出 :污灌区土壤生态环境有所改善 ,水稻质量尚好 ,但局部污灌区小麦与蔬菜受到Zn、Hg污染的影响。

The paper according to the result from '8th five to 9th five year period' monitoring and appraising the content of heavy metal about soils, foodstuffs and vegetables in sewage irrigating over Zhengzhou countryside, we come to a conclusion: the ecology and environment had been promoted instead of previous findings, the quality of paddy and soils still are goodish, and what's more, the part of wheats and vegetables were polluted by zinc and mercury from sewage irrigating.