摘要
通过欧洲云杉在小陇山林区18 a引种试验结果表明:欧洲云杉在小陇山林区气候和生境条件下能够正常生长和开花结实。20年生的人工林平均树高8.70 m,胸径11.43 cm,单株材积0.05 m3。未发现冻害和虫害、病害,具有较强的抗逆性和适应性。现存林木长势良好,且已有多株开始开花结实,引种试验初步成功。
After 18 years introduction experiment to Picea abies, the results shows that under the conditions of Xiaolongshan located, Picea abies can be suited to survive and can be abloom and sced-produced. After 20 years, the average height, chest pathway and individual volume of its man-made forest is 8, 70 m, 11, 43 cm and 0, 051 m^3 respectively, The height, chest pathway and individual volume of the prepon.Jerant tree is 11, 2 m, 15, 5 cm and 0, 091 7 ma respectively, The max tree＇s height, chest pathway is 18. 3 cm and 11.6 m respectively, Plant diseases and insect pests and freeze hurt are not found. It shows that it has ability of resistance and adaptability. The existing trees grow well and many of them begin to abloom and produce seed. The introduction experiment is successful.
出处
《甘肃农业科技》
2006年第5期17-19,共3页
Gansu Agricultural Science and Technology
关键词
小陇山
欧洲云杉
引种
初报
Xiaolongshan
Picea abies
Introduction
Elementary report
