1988/89年冬是以平流低温为主的,中等偏强的寒潮年份,是1984/85年冬后又一个冷年,位于垦区北缘的前哨地(王灵、职大)系比区的胶树受害严重,而在垦区内各农场布置的初、高级系比区寒害也是比较重的,为对各品系的抗寒力有一个全面了解,积累资料,因而组成系比区寒害调查组,于 The 1988/89 winter was dominated by advection and low temperature, and the moderately cold year was another cold year after the winter of 1984/85. The outpost (Wang Ling and the post-secondary) located in the northern margin of the reclamation area was slightly older than the district However, in the reclamation area, the early and advanced departments are heavier than the district chills. In order to have a comprehensive understanding and accumulate data on the cold hardiness of each strain, in