苹果套袋栽培．能提高果品的外观质量，减少农药残留。1．选好套袋。红色品种苹果套袋，目的是促进红色发育，使苹果着色艳丽。用的套袋，必须有较强的遮光性能。套袋有两种，一种是双层袋，外表有灰色或绿色的，外层的里表面为黑色；内层袋为蜡质、红色，有很强的遮光效果。此 Apple bagging cultivation. Can improve the appearance of fruit quality, reduce pesticide residues. 1. Selected bagging. Apple bagging red varieties, the purpose is to promote the development of red, bright apple coloring. Used bagging, must have a strong shading performance. There are two kinds of bagging, one is double bag, the appearance of gray or green, the outer surface of the black; the inner bag of wax, red, a strong shading effect. this