蚕豆(胡豆)是四川盆地区较重要的小春粮食作物,也是主要的养地作物、饲料作物和绿肥作物之一。种植蚕豆,除直接提供粮食、饲料、燃料(或绿肥)之外,蚕豆的生理落叶还直接遗留给土壤大量的有机质和氮素,对提高土壤肥力起着积极作用。盆地区种植蚕豆(无论净作或与麦类间作)在利用上,多于清明节后在田间植株上摘取鲜蚕豆叶,晒干碎贮作饲料,待豆荚在去叶的植株上饱满或成熟后,再 Broad bean (Vicia faba) is an important small spring grain crop in the Sichuan Basin and is also one of the main crop, forage crops and green manure crops. In addition to the direct supply of grain, fodder and fuel (or green manure), the broad leaves of broad beans are also directly left to the soil with a large amount of organic matter and nitrogen, which plays a positive role in improving soil fertility. Beans planted in the basin (regardless of the net or intercropping wheat) in the use, more than after the Ching Ming Festival in the field plants were harvested fresh broad bean leaves, dried shredded for feed, until the pods in the leaves of the plant full or After maturity, again