我国水资源严重不足，且时空分布不均，常常造成果树减产。因此，在充分利用降水和水资源时，应采取各种节水措施，提高水的利用率，以促进果树生产的发展。一、农业节水措施１、选用耐旱品种和砧木　一般可选用西府海棠、变叶海棠、花叶海棠、楸子、Ｍ７等抗旱性强的砧木。如 Serious lack of water resources in our country, and uneven distribution of time and space, often result in reduced fruit trees. Therefore, in making full use of precipitation and water resources, various water-saving measures should be taken to increase the utilization rate of water so as to promote the development of fruit tree production. First, the agricultural water-saving measures 1, the selection of drought-resistant varieties and rootstocks generally choose West House Begonia, Begonia lobatotum, Mosaic Begonia, Catalpa seed, M7 and other drought-resistant rootstock. Such as