2) salinity washing both by rain and river
引淡洗咸
3) salinity washing only by rain
缺淡洗咸
4) brackish-mixed irrigation
咸淡混浇
1.
The brackish-mixed irrigation is an irrigating way of mixing the brackish water in a shallow well and the fresh water in a deep well according to a certain proportion,which can save water and energy with less investment and good effection.
咸淡混浇是将浅井微咸水和深井淡水按一定比例进行混合灌溉的一种灌溉方式,具有节水、节能、投资小、见效快等优点。
5) alternative irrigation of fresh and saline water
咸淡轮灌
1.
For the sake of researching the method of using slight saline water to irrigation, the infiltration tests with different alternative irrigation of fresh and saline water are conducted.
为了寻求合理微咸水农田灌溉方法,进行了不同咸淡轮灌模拟试验,分析了累积入渗量、湿润锋、土壤含水量、土壤含盐量、盐分浓度和钠吸附比的变化特征,结果表明咸淡咸轮灌方式下土壤入渗能力较大,且脱盐区内脱盐率比淡咸咸的高,而淡咸咸轮灌方式下同一土层土壤含水量高。
6) differentiation of salt water from fresh water
咸、淡水层
补充资料：说咸道淡
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