果树防冻及冻后管理冻害是果树的一大威胁，轻则消弱树势，影响今后的产量，重则树被冻死，给生产者带来严重损失。因此，果树果实采收后，要做好防冻害工作。具体措施是：一、早施肥，恢复树势。果实适时采收后，应立即施基肥，以供给叶片及根系生长所必须的养分，增加树... Fruit tree frost and freeze-thaw management is a major threat to fruit trees, ranging from weakening the tree vigor, affecting future production, while the tree is frozen to death, causing serious losses to producers. Therefore, fruit trees after harvest, to do a good work frost damage. Specific measures are: First, early fertilization, restoration of tree vigor. Fruit timely harvest, should immediately base fertilizer to provide the necessary nutrients for the growth of leaves and roots, increase the tree ...