果树是一种经济植物,我国果树栽培在农业生产中占有相当比重,发展果树生产在国民经济中、在国家社会主义建设中、有其重大意义。随着国家建设的发展,人民生活的逐步提高,国内水果的需要和果品外销数量正在日益增加,同时果树是多年生植物,定植以后少则3—4年、多则6—7年以上才能开花结果,乔木性果树在定植 Fruit tree is an economic plant, fruit cultivation in our country occupies a considerable proportion of agricultural production, the development of fruit tree production in the national economy, in the construction of national socialism, has its great significance. With the development of national construction and the gradual improvement of people’s life, the demand for domestic fruits and the export of fruits are increasing day by day. At the same time, the fruit trees are perennials, with a minimum of 3-4 years after colonization and more than 6-7 years of flowering. , Arbor fruit trees in colonization