四种禾草补播“黑土型”退化草地效果的初步观测  

EFFECT OF INITIAL SURVEY OF FOUR KINDS OF GRASSES RE-SOWING IN “BLACK-SOIL” TYPE DEGRADED GRASSLAND

作　　者：马金祥 桑永燕 尕松代吉 

机构地区：[1]囊谦县草原站,青海香达镇815200

出　　处：《青海草业》2006年第3期5-6,23,共3页Qinghai Prataculture

摘　　要：在玉树藏族自治州囊谦县东坝乡“黑土型”退化草地上补种了披碱草(ElymusnutansGriseb)、老芒麦(E.sibiricusL)、草地早熟禾(PoapratensisL)和中华羊茅(Festucasinensiskeng)四种牧草,补种当年均处于营养生长,不能完成生育期,第二年平均每公顷产干草6839kg^9407kg,适应性强,越冬性良好,是改良“黑土型”退化草地的优良牧草。Four kinds of grasses ,which were Elymus nutans Griseb, E. sibiricus L, Poa pratensis L, Festuca sinensis Keng were re - sowed in ＂Black - soil＂ type degraded grassland in Yushu prefecture Nangqian county Dongba Downtown. it was the trophic grown the same year, the yield of dry herbage reached to 6839 -9407kg/ hm^2 the second year. Adaptation and winter resistance was good. It were high quality herbages for improving ＂ Black- soil＂ type degraded grassland.

关 键 词：“黑土型”退化草地 禾草 补种 适应性 

分 类 号：S812.8[农业科学—草业科学]