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三河市针对水资源严重匮乏,从解决农业灌溉这个用水大户入手,大力实施了农田节水工程。截至1999年底,发展喷灌 823台套,控制面积17万亩。据对喷灌区多点监测调查,喷灌与畦灌相比较,具有“四省、两增、二提高”的显著效益。 1.省水 多年来,三河市农田灌溉采用畦灌方法。小麦全生育期一般浇水3次,每次浇水(包括渠道渗漏)平均90方,全生育期亩灌水
Sanhe City, a serious shortage of water resources, from the solution to agricultural irrigation this big water start, and vigorously implement the farm water-saving projects. By the end of 1999, 823 sets of sprinkler irrigation systems had been developed with a control area of 170,000 mu. According to the multi-point monitoring of sprinkler irrigation area, sprinkler irrigation and shrub irrigation compared with “four provinces, two increases and two increases” significant benefits. 1. Water Conservation Over the years, Sanhe City, farmland irrigation using irrigation method. Wheat throughout the growing period of watering 3 times, each watering (including channel leakage) an average of 90 square meters, the whole growth period of irrigated