Stump Effect of Sandy-Land Hedysarum scoparium Forest in Yellow River Diverting Irrigation Area
LI Guang-ren,ZHANG Xiao-qin(Gansu Key Laboratory on Desertification Combating /Gansu Desert Control Research Institute,Gansu Wuwei 733000,China)
The experiment of stumping of Hedysarum scoparium forest was carried out in Yellow River Divert-ing Irrigation Area.The results showed: the amount of new germinated branch and the growth increment of new-branch under different stumping height,when the stubble height is 5 cm and 10 cm,the amount of new germinated branch was higher than the stubble height is 2 cm and 20 cm,the growth increment of new-branch had obviously negative correlation with stubble height,the appropriate stubble height is 2～5 cm.
【Key Words】：
Hedysarum scoparium stump growth increment
【Fund】： 国家林业局项目“沙区优良灌木造林技术研究与示范”(2003-068-L68)研究内容
【CateGory Index】： S793.9
【Fund】： 国家林业局项目“沙区优良灌木造林技术研究与示范”(2003-068-L68)研究内容
【CateGory Index】： S793.9
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