sewage irrigation

Discussion on Sewage Irrigation Development Process in the Suburbs of Beijing City

北京市城近郊区污水灌溉农田发展过程探讨

Cd, As and Hg accumulate in the soil depth of 0 20 cm with the increases of the planting number of years, which was related to sewage irrigation.

结果表明，随着垦殖年限的增加，Cd、As、Hg元素大量富集在0～20cm土壤中，其原因与污水泡田相关；

A experiment was carried out to study the effects of sewage irrigation on growth of paddy.

为此,通过水稻盆栽室内实验,着重探讨在不同水污灌溉条件对水稻生长和产量的影响.

The results showed that after stopping sewage irrigation for ten years, soil contamination induced by heavy metals was stili serious, though the Cd content in unpolished rice was lower than that of in 1976, and there was no effect on well water.

调查表明，停止污灌10年后，总明渠两侧土壤金属污染仍然严重，米中镉含量较1976年有所降低，污水明渠对其两侧水井影响不大。

The Impact of Sewage Irrigation on Farm Production

污水灌溉对农业生产的影响

The main pollution reasons include the species hydrogeologic conditions, sewage irrigation, landfill of municipal refuse, and regional groundwater drawdown.

最主要的污染原因有：独特的水文地质条件，污灌，砂石坑垃圾回填，及区域地下水位下降。

The effect of sewage irrigation on Germination and early stage growth of Zea mays

污灌对玉米萌发和早期生长发育的影响

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。

The water body function security of sewage irrigation is displayed in the factors of routine physics and chemistry index, poison three respects of the index and microorganism's factor.

影响水体功能安全的因素主要分为常规理化指标、毒害指标和微生物因子因素组。

Shortage of water, pollution of tributary waters and incretion of sewage irrigation for farmland make the potentiality impact on environment and safety of agricultural products.

适当处理的城镇生活污水是一种稳定的水资源、在很大程度上缓解水资源的紧缺状况，利用污水资源的主要用途之一是灌溉农田。

Crop irrigation with treated sewage effluent not only conserves water, but also is an effective way to relieve the conflict between the greater requirment of urban water and the increasing consumption of agricultural water using.

利用处理后的生活污水灌溉农作物既能节约用水，又能有效缓解城市用水和农业用水的矛盾。

Research on Tomato Growth ane Quality with Sewage Irrigation

污水灌溉对番茄生长与品质的影响研究