四棱豆(Psophocarpus　tetragonolobus(L.)DC.)是一种高蛋白多用途的食用豆科植物,在国外被称为热带大豆、绿色的金子。目前我国乃至世界各地栽种的四棱豆多是攀缘性极强的蔓性品种,栽培需要大量的架材,工本费高,费工费时,故大面积生产栽培,特别是大面积机械化生产栽培十分困难 Pseudoterraceae (Psophocarpus tetragonolobus (L.) DC.) Is a high-protein multi-purpose edible legumes, known in the world as tropical soybeans, green gold. At present, most of the four-sided beans planted in our country and even the rest of the world are mostly highly invasive creeping varieties. Cultivation requires a large amount of shelving materials. The cost of such books is high and the labor cost is high. Therefore, cultivation and cultivation of large-scale mechanized production is very large difficult