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我所在收集夏季绿肥品种资源中,经多年多点试验鉴定,选择出一种青草产量高,种子繁殖系数大、适应性广、用途多、抗逆性强的夏季绿肥品种——竹豆。 竹豆土名锁匙豆,豆科,菜豆属,一年生草本蔓生型。主根不发达,侧根细长。株型前期直立,50～60天后株高55厘米左右开始葡萄蔓生,蔓长3～4米,无卷须。复叶由三片小叶组成,子叶呈箭头形,真叶呈心形,茎叶上着生浓密白色绒毛。生育期较长,我所每年4月中、下旬播种,9月下旬、10月上旬开花,10月中、下旬成熟收籽。花浅黄色,
My collection of summer green manure resources, after many years of trial identification, select a high yield of grass, seed multiplication coefficient, wide adaptability, versatility, resistance to strong summer green manure variety - bamboo beans. Bamboo beans soil name key beans, legumes, beans bean, annual herb creeper. The main root is underdeveloped, lateral root slender. Early plant stand upright, 50 to 60 days after the beginning of about 55 centimeters vine vineyards, vine length of 3 to 4 meters, no tendrils. Compound leaves by the three leaflets, cotyledons arrow-shaped, true leaf was heart-shaped, thick stems and leaves dense white hair. Fertility period longer, I am in April each year, the late sowing, late September, early October flowering, mid-late October mature seeds. Flower light yellow,