时　期物候期作业项目及技术要求1 1月～萌芽前 休眠期1 )冬季修剪。采用自然开心形、Ｙ字形、主干形 (有中干宝塔形 )等树形。幼树和强旺树应以疏为主 ,少截长留 ,骨干枝上每 2 0～ 2 5ｃｍ保留一个健壮的结果枝 ,结果枝长度按其长势剪留 40～ 70ｃｍ ,过弱、过旺者均疏除。偏 Period phenology operation items and technical requirements 1 January ~ dormancy before budding 1) winter pruning. Using natural happy shape, Y-shaped, trunk-shaped (with dry pagoda-shaped) and other trees. Saplings and strong trees should be sparsely based, less cut-off stay, the backbone of the branches every 20 ~ 25cm to retain a robust results branches, the results of the length of the branches according to their growth cut 40 ~ 70cm, too weak, too busy Are thinning. Partial