摘要
采用路线定点抽样方法 ,对人工模拟飞播治理“黑土滩”进行了调查 ,结果表明 ,飞播后平均每公顷鲜草产量 991 2 .6kg,比播前提高了 1 1 .5 5倍 ;植被盖度达 70 %～ 80 % ;草群结构改变 ,一些已消失了的优良牧草相继出现 ,不食毒杂草大幅度下降 ,治理效果良好。
Investigation of control “Black soil”have been carriel out by taking sample of pointng route,results shows that yield of fresh herbage is 9912.6kg in every ha,it is increasrd 11.55 times;The cover of plants reaches to 70%-80%,grass structure have been changed,and gets better effect.
出处
《青海草业》
2000年第4期32-34,共3页
Qinghai Prataculture
