沙地草牧场防护林效益的综合研究  

A Comprehensive Study on the Effet of Shelter-forest for Pasture Land Herbage in Sandhill

作　　者：张启昌[1] 郝广明[1] 宋广智 孙士军 

机构地区：[1]吉林林学院科研处,哲里木盟兴隆沼机械机场

出　　处：《吉林林学院学报》1994年第4期234-241,共8页

摘　　要：对沙地草牧场防护林的各种效益的综合分析，得出了沙地草牧场防护林对各小气候因子、土壤含水率和牧草生长的影响程度，并对不同类型的沙地草牧场防护林效益进行了对比分析．In this paper,the effect of shelter-forest for pasture land grass in sandhill isanalysed comprehensively. The influence degree of the shelter-forest to the microclimatic fac-tors,the soil moisture ratio and herbage growth has been found out. And the effect of the dif-ferent types shelter-forest for pasture land herbage in sandhill has been analysed compara-tively.

关 键 词：沙地 防护林 效益 

分 类 号：S759.3[农业科学—森林经理学] S718.56[农业科学—林学]