引进杨树品种越冬状况和气候因子的关系

Relationship between the Introduction of Poplar Variety Overwintering Conditions and Climatic Factors

杨树是造林绿化的先锋树种,黑龙江省冬季寒冷,引进杨树品种首先要考虑其能否安全越冬。在引种过程中可按气候状况划分三类,并按杨树历年越冬的表现状况与农业气候区的关系进行选择。

Poplar is a pioneer species of afforestation, Heilongjiang is cold in winter, the introduction of poplar varieties should first consider whether the winter. According to the climate conditions are divided into three categories according to the status of performance ; and poplar winter; choose between poplar overwintering status and agricultural climate zone.