固氮树种在混交林中的作用  

Effects of Nitrogen Fixation Trees in Mixed Forests

作　　者：吴高潮[1] 王晓娟[1] 吕宁[1] 

机构地区：[1]杨凌职业技术学院,陕西杨凌712100

出　　处：《福建林业科技》2006年第3期175-177,共3页Journal of Fujian Forestry Science and Technology

摘　　要：豆科及非豆科固氮树种是重要的生物固N资源。作为混交树种,在混交林中发挥着改善林地养分及水分状况,维持地力,提高林地生产力,很好地促进主要树种生长的重要作用。Nitrogen fixation trees of Leguminosae and non-Leguminosae are important biological nitrogen fixation resources. As a species of mixed forests, nitrogen fixation trees play an important role in improving forest land nutrient and moisture status, maintaining soil productivity, enhancing forest land productivity, and accelerating main species growth.

关 键 词：固氮树种 混交林 混交树种 

分 类 号：S725[农业科学—林木遗传育种]