3种相思类树种生长对比试验

A Comparison Test on Growth of Three Acacia species

对10年生的马占相思、厚荚相思、肯氏相思等3种相思对比试验林进行调查和数据分析。结果表明:马占相思生长表现优于其余两种树,其胸径、树高、蓄积年生长量均大于厚荚相思和肯氏相思,其干形和保存率也是三者中最好的,是适应广东省阳江市气候环境和立地条件的优良相思树种,在适地适树的基础上,加强营林技术指导,选择合适的相思树种推广种植,促进林业经济发展。

The introduction experiment of Acacia mangium,Acacia crassicarpa,Acacia cunninghamia was conducted in Yangjiang of Guangdong Province during ten years.Date showed that A.mangium was more adpatable to the climate and situation than A.crassicarpa and A.cunninghami,with higher preservation rate,DBH,height,stem volum and a good stem form.So A.mangium was a fine species in Guangzhou.