板栗低产林改造技术与经济效益分析  

Improvement Technology of Conkers Low Yield Forestry and Analysis of Its Economic Benefit

作　　者：曹阳[1] 陈建华[1] 李昌珠[2] 

机构地区：[1]中南林学院,湖南株洲412006 [2]湖南省林业科学研究院,湖南长沙410007

出　　处：《经济林研究》2003年第3期44-45,61,共3页Non-wood Forest Research

基　　金：湖南省林业厅资助项目

摘　　要：通过对张家界永定区板栗低产林(≤750kg·hm-2)的调查,分析了板栗低产的成因,并将其划分为实生型、密植型、稀疏型、荒芜型、病虫危害五大类型。根据各类型林分的特征和立地条件,采取相应的板栗低产林改造技术及与之相配套的管理措施。经实验研究,各改造技术措施的经济效益、生态效益和社会效益效果明显,有指导生产的实际意义。On the basis of research on conkers low yield forestry(≤750 kg·hm^(-2))in Yongding section Zhangjiajie city,the reason of low yield was analyzed,and five types including seedling, close planting,sparse planting,desolation and diseases and insect pest were plotted out.l According to the characteristics and woodland condition,improved technology of conkers low yield forestry and management measure werw adopted accordingly. Economic, ecology and society benefits of improves technology and measurement were prominent approved by experiment and study, and it had significance of directing practical production.

关 键 词：板栗 低产林改造技术 经济效益 实生型 密植型 稀疏型 荒芜型 病虫危害 生态效益 社会效益 

分 类 号：S664.2[农业科学—果树学]