四川的草山面积,初步估计约为8000万亩,是农、林、牧综合发展大有可为的基地,也是需要改造和发挥潜力的基地。我省草山有一定种类的牧草,其生长季节较长,产量较高(一般亩产鲜草1000公斤以上),有相当的生产潜力。但存在着一个突出的问题,即牧草质量较差。牧草多为中旱生的小菅草(Themeba hookeri)、黄 The grassy mountain area in Sichuan is tentatively estimated to be about 80 million mu. It is a promising base for the comprehensive development of agriculture, forestry and animal husbandry and also serves as a base for transformation and potential development. There are certain types of forage grass in our province, its growth season longer, higher yield (generally more than 1000 kilograms of fresh grass per mu), have considerable production potential. However, there is a prominent problem, that is, the quality of grass is poor. Most of the pasture grass in the dry Naoki grass (Themeba hookeri), yellow