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调查了宁夏新建二代防护林网主栽树种及辅栽乔、灌、草的生长表现和受害虫危害状况 ;列出了造林树种对主要害虫的抗性序列 ;将二代防护林网划分为 3个大类 ,每个大类又分为若干小类 ,并提出了各类防护林树种的选择。在以上研究的基础上提出无虫灾防护林树种的配置原则及设计方案。
Investigated the growth of Ningxia new second-generation shelterbelt network and planting Qiao, irrigation, grass growth and the damage status of pests; listed the afforestation tree species resistance to major pests; the second-generation shelterbelts were divided into three Large categories, each category is divided into a number of small categories, and put forward the choice of various types of shelterbelt. On the basis of the above research, the disposition principle and design scheme of insect-free shelter forest species are proposed.