因冬春修剪、机械损伤、人畜损伤、冻害风害等造成的苗木伤口,必须及时护理,以减少树体水分损失,防止受冻及避免病菌侵袭,促进伤口愈合,恢复树势。常用的方法有以下几种:1.切除。对已枯死的枝条,可以从伤折处附近锯平或剪去。轻伤 Due to winter and spring pruning, mechanical damage, livestock and poultry injuries, frost damage wind damage caused by nursery wounds, care must be promptly to reduce the tree water loss, to prevent freezing and to avoid invasion of bacteria to promote wound healing and restore the tree. Common methods are the following: 1. Excision. The dead branches, you can saw from the wound near the flat or cut off. Minor injuries