近年来由于国内外市场对梅果需要量激增,供求矛盾极为突出,促进了我国果梅的迅速发展,除扩大栽培面积外,大力提高现有梅树的单位面积产量是当务之急。1980年开始我国梅园从不管理到注意管理,首先重视的是施肥,但由于对梅树年周期中各生长发育期的营养要求了解不多以及不能看树? In recent years, due to the surge of demand for plum fruit at home and abroad, the contradiction between supply and demand is extremely prominent, which has promoted the rapid development of fruit plum in our country. In addition to expanding the cultivated area, it is imperative to vigorously raise the output per unit area of ​​existing plum trees. Since 1980, Plum Garden in our country never managed to pay attention to management, the first emphasis is on fertilization, but because of the growth and development of plum tree period of nutritional requirements of little and can not see the tree?