自西汉张骞出使西域引入豌、胡豆栽培至今已有二千多年的历史,由于豌、胡豆的种子蛋白质含量较高,一般在22—25%以上。早熟,耐寒,耐瘠、适应性强,海拔4000米以下的地区都能栽培,单产相当高。其茎叶收获时,尚含有8—10%或更高的蛋白质,是很好的粗饲料,1—2亩地收子粒后的茎叶,就可供一头猪食用,若专作饲料则一亩地的青料可供一头中等大小的猪食半年。而 Since the Western Han Dynasty Zhang Qian ambassador to the introduction of the Western Pea, bean cultivation has been more than 2,000 years of history, due to pea, walnut seed protein content is higher, generally 22-25%. Premature, cold, barren, adaptable, at an altitude of 4000 meters below the area can be cultivated, yield is very high. Its stems and leaves are harvested, still contain 8-10% or more of protein, is a good forage, 1-2 acres of grain received after the stems and leaves, can be used for a pig food, if the specialized feed is a mu Green material for a medium-sized pig for six months. and