节水型农业是可持续农业的重要组成部分,是中国大农业发展的方向。要作好这项工作,需要从以下三个方面做起。第一加强灌溉用水管理,提高水的利用率由于全国性的水资源短缺,尤其北方地区水不足更为严重,其灌区灌溉水源大多是地面水和地下水两种渠道。有的灌区还采用了引、蓄、提相结合的方式。为了充分利用非灌溉季节的地面水和回归水,形成多种水源并用的灌 Water-saving agriculture is an important part of sustainable agriculture and is the direction of development of large-scale agriculture in China. To do this work, we need to start from the following three aspects. First, strengthen the management of irrigation water and improve the utilization rate of water. Due to the shortage of water resources in China, especially in the northern part of China, the irrigation water in the irrigation districts is mostly groundwater and groundwater. Some irrigation districts have also adopted the way of integrating, storing and mentioning. In order to make full use of non-irrigation season groundwater and return water, the formation of a variety of water and irrigation