在四川西北部1.6亿亩的天然草场上许多植物群落中,也点缀有少量的豆科植物。但这些豆科植物,不是有毒有害,就因丰产性能、经济利用价值低,而未被人为种植生产。因此,长期以来本区的人工刈草场,所栽培的牧草多是禾本科牧草。从一九七八年起,我所先后引进了9个属,90余份豆科牧草材料。以期筛选出高产、适应性强、品质优良的豆科牧 Many plant communities in the 160 million mu of natural grassland in northwestern Sichuan are also dotted with small numbers of legumes. However, these legumes, not toxic and harmful, because of high yield performance, low economic value, but not artificial production. Therefore, a long time in the area of ​​artificial mowing, mostly forage grass is gramineous pasture. Since 1978, we have successively introduced 9 genera and more than 90 leguminous materials. With a view to screening out high yield, adaptability, high quality leguminous animal husbandry