环剥是将苹果树枝或干的韧皮部剥去一圈,宽度为枝粗的1/10～1/8。环割是将苹果树的枝或干的韧皮部切一圈,深达木质部。果树环剥环割技术是控制果树成花和座果的简单而有效的调节措施。若环剥环割技术应用不当,会导致树体死亡等严重后果。如淮北市二郎庙村7000棵树环剥后死亡近2000棵。 Girdling is the apple tree branches or dried phloem peeled off a circle width of 1/10 ~ 1/8. Ring cutting is the apple tree branches or dried phloem cut in a circle, deep as xylem. Fruit ring peeling ring cutting technology is to control fruit trees and fruit set a simple and effective adjustment measures. If the circumcision ring cutting technology is improperly applied, it will cause serious consequences such as the death of the tree. For example, 7000 trees in Erlang Temple Village of Huaibei City have nearly 2,000 deaths after being circumcised.