不同改良措施对盐碱化草地改良效果研究  

Effect of Different Improved Measures on Saline-alkalied Grassland

作　　者：武霞[1] 杨晓松 沈景林[1] 张成武[3] 郭瑞萍[1] 白雪[1] 李海龙[1] 唐鸿宇[1] 

机构地区：[1]吉林大学畜牧兽医学院,长春130062 [2]内蒙古通辽市畜牧研究所,通辽028000 [3]吉林省前郭县草原管理站,松原131100

出　　处：《青海畜牧兽医杂志》2007年第1期9-11,共3页Chinese Qinghai Journal of Animal and Veterinary Sciences

基　　金：吉林省发改委西部草地研究课题"盐碱化草地植被恢复;重建与可持续利用技术示范。"

摘　　要：施肥改良使豆科和菊科牧草在草群中比重分别比对照区增加19．8％～39．9％和27．5％～34．4％，使禾本科牧草比重降低15．3％～21．3％，可食牧草产量增加22．0％～57．8％。围栏封育使豆科和菊科牧草分别增加13．4％～26．7％和4．7％～9．0％，可食牧草产量增加13．1％～78．0％。浅耕翻使豆科和菊科牧草比重分别增加17．7％～27．3％、23．2％～36．3％，禾本科牧草比重降低10．1％～12．1％，可食牧草产量增加-28．5％～28．6％。由此得出，施肥和围栏封育是草地改良的有效途径。The ratio of leguminosae and compositae forage in the grass biocenose increased 19.8% -39.9% and 27.5% -34.4% than those in control area, respectively,of gramineae forage decreased 15.3% -21.3% than that in control area and the yield of eatable forage increased 22.0% - 57.8% by means of fertilizing improvement. The one of leguminosac and compositae forage increased 13.4% - 26.7% and 4.7% - 9.0% ,respectively,the yield of eatable forage increased 13.1% - 26.3% by means of closed fencing.The one of leguminosae and compositae forage increased 17.7% - 27.3% and 23.2% - 36.3% respectively, of gramineal forage decreased 10.1% - 12.1%, the yield of eatable forage increased - 28.5% -28.6% by means of shallow ploughing. Those indicated that fertilizing and closed fencing were a effectire way of grassland improve ment.

关 键 词：施肥 围栏封育 浅耕翻 盐碱化草地 

分 类 号：S812.3[农业科学—草业科学]