试论灌草在水土保持林中的作用

The Function of shrub on Maintaining the water and soil

多年的生产实践和调查研究发现:水保林中的灌草对改良土壤、提高肥力、截持径流、保水保土等都有重要作用,因此在生态建设中要实行保护原有灌草植被、乔灌草混交等有利于保持水土、提高土地产出率的技术措施,使灌草的生态作用充分发挥出来。

The shrub in the water and soil conservation forest has great function on improving the soil in-creasing fertilizer efficiency and keeping water and soil, So we should presserve the existing shrub arbor andgrass when we conduct ecological construction because they are favorable to water and soil conservation and pro-duction from the soil. So we can exert the function of shrub during the ecological construction.