摘要
自2002年起东峡林场连续三年进行了国外云杉引种试验,结果表明国外云杉在温棚内能良好地生长,特别是欧洲云杉与西加云杉一年生苗苗高最高能达52 cm,根茎达0.58 cm。大田定植后,采用雪封(埋)后,成活率均有不同程度的提高,特别是北美云杉成活率达94%。
Spruce form abroad culture were conducted for 3 years in Dongxia Forestry Farm since 2002. The results showed all of spruces from abroad enable growth well, especially European Spruce and Sitka Spruce their height were more than 52cm, root crown were more than 0.58cm in greenhouse, They were cultured in field, survival rate were lower after winter. But covered with snow the survival rates increased in some degrade, especially Colorado Spruce survival rate was 94%.
出处
《青海农林科技》
2008年第1期28-30,共3页
Science and Technology of Qinghai Agriculture and Forestry
关键词
国外
云杉
引种
试验
Abroad
Spruce
Introduce
Test
