我国南方大面积草山草坡的改良,荒山秃岭的治理,是保护土地资源,恢复生态平衡,发展林业和畜牧业生产的重大措施。这项工作的开展,首先需要解决固土性能好,适应性强,具有饲用等经济价值的优良草种。目前,这类草种多从国外和国内其他地区引进,又因难以适应本地的环境条件而失败。因此,筛选当地的野生优良草种具 The improvement of large areas of grassland and grassland in south China and the management of bald patches of barren hills are significant measures to protect land resources, restore ecological balance and develop forestry and livestock husbandry. This work is carried out, first of all need to solve the soil is good, adaptable, with forage and other economic value of fine grasses. At present, most of these grass species are introduced from abroad and other parts of the country, failing due to difficulties in adapting to local environmental conditions. Therefore, the screening of the local wild excellent grass species