2.2污水灌溉对食品安全性的影响 污水灌溉（sewage irrigation）是利用经过一定处理或未经处理的污水，工业废水或生活与工业混合污水灌溉农田、牧场等。
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浅析石家庄污灌区水土环境中有机污染物-环境工程论文-中国论文联盟 关键词：污灌；有机污染物；自然衰减作用 [gap=1310]Key words: sewage irrigation;organic compounds;natural attenuation
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sewage irrigation spray pump coupling 污水喷灌泵联轴器
sewage irrigation duration 污灌年限
sewage broad irrigation pump 污水泛灌泵
Consideration on Sewage Irrigation 污水灌溉的思考
sewage irrigation norm 污水灌溉定额
sewage irrigation areas 污水灌溉区
Sewage irrigation has great worth in northern arid areas.
污水灌溉在干旱缺水的北方意义重大。
参考来源 - 污水与镉复合污染对土壤—作物系统酶活的影响The main sources of the heavy metal pollutioninclude transportation, sewage irrigation, solid wastes, pesticides, fertilizers and airsettlements.
重金属污染源主要有交通、污灌、固体废弃物堆置、农药和肥料的施用以及大气沉降等。
参考来源 - 重金属污染对土壤动物群落结构及生理影响的研究The modified model was used to simulate the distribution of water content,ammonia concentration and nitrate concentration in the soil profile under the condition of sewage irrigation.
运用改进的模型模拟再生水灌溉冬小麦生长季中土壤水分、铵态氮和硝态氮的运移和转化过程。
参考来源 - 土壤氨挥发研究及氮素转化运移数值模拟·2,447,543篇论文数据，部分数据来源于NoteExpress
Sewage irrigation has great worth in northern arid areas.
污水灌溉在干旱缺水的北方意义重大。
Although sewage irrigation can provide some nutrients, it was necessary to add proper quantity of nitric fertilizer.
虽然灌溉污水能够提供一定的养分，但对冬小麦适量施用氮肥仍然很有必要。
The sewage irrigation still is the major influencing factor on soil trace element variation during the agriculture production.
污水灌溉仍是农业生产中土壤微量元素变化的主要影响因素。
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