摘要
对 3种草本植物组合和 3种灌木分别对其总盖度、保土作用系统、地上地下生物量和水土冲刷情况等进行观测与分析 .结果表明 ,3种草本植物组合中 ,组合B的生物防护效益最佳 ,其次为组合A ,组合C最差 ;3种灌木中 ,E效果最好 ,其次为F ,D效益最差 .同时得出 ,在高速公路边坡生物防护中 ,利用草本植物护坡其效益优于单种栽植灌木护坡 .
The total coverage, water and soil conservation effect coefficient, aboveground and the underground biomass, runoff and loss of water and soil are measured and analyzed to combination of three kinds of herbses and three kinds of shrubs.The results show that three kinds of herbses combination, the effects of biological protection of combination B is the best, the next is combination A, combination C is the most bad.In three kinds of shrubs, the effects of biological protection of E is the best, and the next is F, D is the most bad.At the same time, at the course of biological protection of the superhighway side slopes making use of herbs to protect side slope is better than single growing and planting shrubs.
出处
《宁夏农学院学报》
2004年第3期13-16,共4页
Journal of Ningxia Agricultural College
关键词
高速公路
边坡生物防护
综合效益
expressway
biological protection of side slopes
integrated effect
