苹果全套袋,是指苹果树上的果(严格疏果后)一个不漏的全部套上袋。苹果套双层纸袋,可生产出外观漂亮的高挡出口果。但,若给树上的果全部套双层纸袋,一是成本高,二是遮光重,三是果实的内在品质降低,难以推行。若只给树上的部分果套纸袋,不仅不能节省防 Apple full bag, refers to the apple tree fruit (strict thinning) a leak-free all put on the bag. Apple sets double paper bag, can produce a beautiful appearance of the high-block export fruit. However, if all sets of double-layer paper bags to the tree, one high cost, the second is light obscuration, the third is to reduce the intrinsic quality of the fruit, it is difficult to implement. If only to the tree part of the paper bag, not only can not save on defense