试述水田机井灌区节能节水的几条途径

为达到节水节能的目的，可充分利用机井的效能，通过实践证明，应从两个方面考虑：一是合理规划，通过计算扩大单井控制面积，制订灌溉制度，灌水定额，提高灌溉利用系数，节约用水，降低能源；二是采取有效措施节约灌溉用水，降低机井损耗，合理选择机泵，解决机井淤积问题，进行主渠道衬砌，平整地土，减小水泵吸程，降低单机消耗。

Several ways about saving energy and water in the watermeadow wells irrigation area

The problem of saving water should be considered from two respects. First, programme rationally, calculate scientifically, broaden each single well, control its area, lay down irrigation system and the quote of irrigetion, improve the coefficient for water conservancy, save water and reduce energy. Second, take effective measures to save water for irrigating, and reduce the loss of wells, choose pumps sensibly, solve the problem of wells deposit, build by laving bricks or stones in main channels, reclaim the land, reduce the distance of absorption of pumps, reduce the loss of each single machine to reach saveing water.