梨树进入盛果期以后,一旦留果量过多或肥水不足,很容易出现大小年现象。克服的方法是: 1、大年控制花果数量,留足预备枝 大年时修剪,要多疏除花芽,多留预备枝,特别是多疏除短果枝群上过多的花芽,适当回缩花量过多的结果枝组;对有顶花芽的中长果枝采用打头法,使翌年再形成花芽;对长势中等的 Pear tree into the full fruit period, once the fruit to stay too much or insufficient fertilizer and water, it is easy to appear the size of the year phenomenon. To overcome the method is: 1, the annual control of the number of fruit, leave enough to prepare pruning shears, to sparse more buds, leaving more spare branches, in particular, to sparse too many short branches on the flower buds, appropriate retraction Overproduction of the results Zhizu; on the top of the flower buds with the law of the first law, so that the formation of flower buds the following year; on the growing medium