摘要
在杉木二代人工林采伐迹地上 ,采用裂区试验设计进行不同穴规格营造火炬松、马尾松和杉木试验结果表明 :2年生时 ,不同树种之间树高和地径的差异均不显著 ,不同穴规格之间的差异也不显著 ;5年生时 ,不同穴规格之间树高、胸径及蓄积量的差异不显著 ,但不同树种之间的差异却均达到极显著水平 ,Q检验结果表明 ,火炬松、马尾松的各生长量因子均显著地高于杉木。杉木连栽林地宜采用不同树种块状混交小穴造林 。
The results indicate that at the age of five,the differences of height,dbh and stocking among different hole standards are not significant,but the differences among different tree species all reach the extremely significant level.The Q check results reveal that various growth factors of Pinus taeda and P.massoniana are all much higher than those of Cunninghamia lanceolata.It is suitable to adopt the massive mixed planting with different tree species in small holes for the forest land where C.lanceolata has been continuously planted,which may be worth popularizing and applying in production.
出处
《福建林业科技》
北大核心
2000年第2期37-40,共4页
Journal of Fujian Forestry Science and Technology
基金
福建省林业厅科学研究基金
关键词
杉木连栽林地
穴规格
更新造林
树种选择
Cunninghamia lanceolata continuously planted forest land
Hole standard
Pinus taeda
P.massoniana
C.lanceolata
