杨树因其速生性,一直是林口林业局营造速生丰产林的首选树种,但因为树干冻裂,往往造成其成林不成材,制约了杨树丰产林的发展。本文从杨树冻裂原因入手,分析了冻裂与相关因子的关系,提出了冻裂预防的技术,对杨树速生丰产林的发展有着重要的意义。 Because of its quick-growing nature, poplar has always been the preferred tree species for fast-growing and high-yield forest in Linkou Forestry Bureau. However, because the trunk is cracked, it often results in its failure to become a succession forest and restricts the development of poplar forest. This article starts from the cause of poplar tree frost crack, analyzes the relationship between frost crack and related factors, puts forward the technique of frost crack prevention, which is of great significance to the development of poplar fast growing high yield forest.