摘要
本文通过在臭椿人工林设置标准地,取样进行树干解析,系统分析其生长规律,初步得出结论:臭椿高生长幼龄期较快,8 a～11 a平均生长量达最大值,以后高生长渐缓;胸径生长前15生最为迅速,生长减缓期到来较迟;材积生长量高峰期出现在15 a～20 a,人工抚育下15 a左右能达到数量成熟。在材积公式模拟基础上,初步拟出臭椿二元材积公式。臭椿适合于培育短周期轮伐的速生丰产林。
In this paper comprehensive analysis was made of the growth feature of Ailanthus altissima by setting reference land and trunk analysis in Ailanthus altissima plantations.The preliminary conclusion showed that the height growth of Ailanthus altissima growed faster in the young period and the average growth reached maximum between 8～11 years,then its height growth became gradually slow.The DBH growth had the most rapid growth in the first 15 years,and its slow growth stage came later.Its volume growth peak appeared in the 15～20 years,and in artificial tending it generally reached quantity mature in the 15 years or so.Based on the simulation in volume formula,the binary volume formula of Ailanthus altissima was preliminarily drawn up.Therefore Ailanthus altissima was suitable for cultivating the fast-growing and high-yield forest with short rotation.
出处
《四川林业科技》
2011年第6期93-96,共4页
Journal of Sichuan Forestry Science and Technology
基金
四川省植物资源共享平台建设项目(206053)
关键词
臭椿
生长特性
Ailanthus altissima
growth feature
