washing salinity by irrigation

例句：

1. 1.The farmers use water to wash away the salt from their crops.
   农民使用水来洗去作物上的盐分。
2. 2.The irrigation system is designed to wash away soil and debris.
   灌溉系统设计用来洗去土壤和碎片。
3. 3. The farmer used a special chemical to wash away the salt buildup in his fields.
   这位农民使用了一种特殊的化学物质来洗去田地里的盐积累。