井渠 meaning in English

jingqu

Damaged manhole grating
沙井渠盖损坏
To adopt well irrigation and well drainage , develop and utilize ground water resources of irrigated area can not only effectively reduce the ground water level and prevent secondary alkalization of the soil , but also provide timely irrigation to crops through well and canal complementary
摘要灌区灌溉采用井灌井排，开发利用地下水资源，不但能有效降低地下水位，防止土壤次生盐碱化，还可以通过井渠互补，使农作物得到适时灌溉。
This paper also gives out some good proposals to optimize the utilization of water resources and overcome the negative effects resulting from the irrigation using the yellow - river water by coordination of well and canal , surface water and underground water and optimal scheduling of yellow - river water . 5 . the model , when tested in the field , is proven to work quite well
4 .本文还为灌区实施井渠结合、地表水与地下水联合调配，合理利用水资源，克服因引黄灌溉引起的负面影响提供了有益的建议，探讨了黄河水和地下水联合调配、地下水开发宏观布局及灌区内黄河水的优化调配。