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.
出处
《青海草业》
2006年第3期5-6,23,共3页
Qinghai Prataculture
关键词
“黑土型”退化草地
禾草
补种
适应性
" Black - soil" type degraded grassland
Grass
Resowing
Adaptation