梨树在果实采收后便进入越冬前的阶段。这一时期，由于叶片一时失去了可起水分调节作用的果实，往往发生暂时的叶功能下降，同样需要肥水来恢复功能，制造积蓄营养，以利树体安全越冬和来年开花结果。同时残留在果园内的病虫仍在继续为害。因此，加强梨园采收后的管理非常... Pear trees in the fruit after harvest into the pre-winter stage. During this period, due to the temporary loss of the leaves can play a role in the regulation of water fruit, there is often a temporary decline in leaf function, the same need to restore function of fertilizer to create savings nutrition, to facilitate the safe winter tree and flowering next year. At the same time, pests and diseases remaining in orchards continue to be harmful. Therefore, to strengthen the management of pear orchard harvest is very ...