摘要
本文论述了6种多年生豆科牧草的水土保持效益,其拦蓄径流量比农作物高17.8%、减沙量比农作物高70%,产投比为13.1∶1。
Six Perennical, Legumes were Studied Results show that the decreasing amounts of runoff and silt discharage were 17.8% and 70.0%. more than crops. The ratio of ontput to input was 13.1:1.
出处
《草业科学》
CAS
CSCD
北大核心
1993年第2期6-10,共5页
Pratacultural Science