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1.节水措施:①单灌单排.灌排不走同一条路。并要先灌远地.后灌近地;先灌高地.后灌低地.利用回归水灌田。即:上游用完的水灌中游.中游用完的水再灌下游.做到一水多次利用。②计划用水.台理用水。灌田时.根据庄稼长势、需水面积确定好灌水量.做到需要多少水就放多少
1. Water-saving measures: ① single irrigation single row. Irrigation and drainage do not take the same road. And first irrigation far. After irrigation near ground; first irrigation high ground. After irrigation low ground. Use of return water to irrigate fields. Namely: the upper run out of irrigation in the middle reaches. Midstream run out of water downstream irrigation. Do a water multiple use. ② plan water. Taiwan management water. Irrigation field. According to crop growth, water demand to determine the amount of irrigation. How much water is needed?