污水灌溉对农业生产与人体健康的影响

Effect of Sewage Irrigation on Agricultural Production and Body Health

本文对大同市南郊区北村乡污灌区环境污染现状与恶性肿瘤发病因素进行调查研究，并选择非污灌区作对照。结果表明：污灌区环境受污染，农作物减产，消化系统癌发病率高；污灌区饮用水和蔬菜中的亚硝酸盐含量均高于对照区；污灌区人体的微核出现率明显高于非污染区，而人体的ＤＮＡ修复能力明显低于非污染区。

The article is survey and research on environmental contamination present situation and cancer sick factor of Beicun community in south suburb of DaT ong, and choice irrigation with non-sewage on contrast.The result make known: environmental in irrigation with sewage is polluted,agronomic crop drop in production,cancer sick rate of digestive system is high; nitrite nitrogen content of drinking water and vegetable in irrigation with sewage area is more high than check area; micronuclons appear rate of body in irrigation with sewage is more high than irrigation with nonsewage obviously,but ONA renovation capacity is lower than irrigation with non-sewage.