胡豆学名蚕豆,是四川盆地丘陵区主要的小春粮食之一。种植胡豆,不仅生产了粮食和“三料”(饲料、燃料、肥料),对于提高土壤肥力,促进畜牧业发展和下茬粮食作物的增产都起着重要的作用。所以胡豆在这一地区旣是粮食作物,又是饲料、绿肥,也是养地作物。很多年来胡豆在小春作物布局中,都一直保持着相当大的此重,在复种轮作中亦占有显著的地 Hu beans scientific name broad beans, Sichuan Basin Hilly Area is one of the main spring food. Growing walnuts not only produces grain and “three” ingredients (feed, fuel and fertilizer), but also plays an important role in improving soil fertility, promoting livestock husbandry and increasing crop yields for the next crop. Therefore, beans in this area 旣 is a food crop, but also feed, green manure, but also to raise crops. For many years, Hu beans have maintained a considerable weight in the layout of Xiaochun crops and also occupy a remarkable place in the crop rotation