四棱豆是我所引进驯化成功的蔬菜新品种，属１年生或多年生缠绕草本植物。生长结荚期长达７个月，亩产可达４ ０００千克，亩收益２万多元 四棱豆全身是宝，其嫩荚可切丝做成色拉或炒食，嫩茎叶可做汤料，豆粒可煮可炒或榨油，块根也可食用。老熟茎叶是优质的饲料和绿肥，其根 Four-winged beans is a new species of vegetables that I introduced domestically and is a one-year or perennial herb. Grow podding period of up to 7 months, per mu up to 4,000 kg, mu yield more than 20,000 yuan Baoxian bean body is treasure, the tender pods can be made of salads or fried shredded, tender leaves can be soup Materials, beans can be fried or fried oil press, roots can also be eaten. Mature stems and leaves are high-quality feed and green manure, its roots