日本的苹果栽培,为增进果实色泽外观,采用套袋、铺地膜、摘叶、转果和喷钙等方法。1.套袋:以往是利用废旧报纸制袋,现有专门的纸张,由专业商店供应。按品种、果实大小而采用不同颜色、不同大小和不同层次的纸袋。由于红光有利于着色,纸袋的里层一般是红色。套袋和除袋都有一定的时间,除袋需分次撕除,先去外层,后去里层,除袋时间,陆奥、富士为9月25～10月5日,一般在外层纸袋撕除3～5天后再除内袋。套袋后的果实色泽艳丽。陆奥本来是黄色品种,经 Japan’s apple cultivation, in order to enhance the appearance of the fruit color, using bagging, mulching, pick leaves, turn fruit and spray calcium and other methods. 1. Bagging: the past is the use of waste newspaper bag, the existing special paper, supplied by a professional store. By variety, fruit size and use different colors, different sizes and different levels of paper bags. Since the red color is good for coloring, the inner layer of the paper bag is generally red. Bagging and bags in addition have a certain time, in addition to the bag need to be removed in stages, go to the outer layer, go inside, except bag time, Mutsu, Fuji for September 25 ~ October 5, generally in the outer layer Remove the bag within 3 to 5 days after the bag is removed. Bagged fruit bright color. Lu Austrian was originally a yellow variety, after