摘要
用50、100和150ppm三种浓度的稀土溶液对杉木幼林进行喷施试验,结果可看出这三种浓度溶液对杉木的地径、树高和冠幅生长都有促进作用,其中以100ppm稀土液喷施效果最好。
Spraying with rare earth at 50, 100 artd 150 ppm in young Chinese fir (Cunni-nghamia lanceolata)stand was conducted at Sangui village, Suichang county during 1989-1991.The test result showed that basal diameter, height and crown cover of C. lanceolata wereincreased by spraying with rare earth of 3 concentration, of them 100 ppm was the best.
出处
《浙江林业科技》
北大核心
1992年第4期53-55,共3页
Journal of Zhejiang Forestry Science and Technology