摘要
对青南地区六个县天然草地围栏内、外进行了测产，结果表明：围栏内平均产草量为4995．6kg／hm2，围栏外平均产草量为4076．98kg／hm2，围栏草地比未围栏的草地产量平均提高22.53％；在植被结构方面，围栏内植物种类增加，盖度加大，高度增加，围栏草地对抵抗雪灾起到了十分重要的作用。
Herbage Production measure outside and inside of enclosure on 6 southern counties of Qinghai Province. The result showed that inside the enlosure, the herbage produc ion is 4995. 6 ha average, the herbadg production is 4076. 98, outside the enclosure. Herbage pro duction average inside enclosure is increased 22. 53% than outside. The plant variety, cov erness,plant-hight increased inside the enclosure,These are useful to resiste snow clamity.
出处
《青海草业》
2000年第2期29-30,25,共3页
Qinghai Prataculture
关键词
青南牧区
围栏草地
防雪灾调查
Qingnan pasture
Enclosure herbage
Prevent snow-calamity
