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聚合草,属于紫草科聚合草属,为多年生丛生型草本植物。近年来它已作为一种产量高,品质好,生长快,适应性广,适口性好的青饲料被广泛栽培。它的根系深达1米左右,主要分布在30—40厘米的土层中,茎生叶50—60片,叶长50—60厘米,叶宽15—17厘米,茎叶有小刚毛。花淡紫色或黄白色,从5月开到10月。结实率低,散粒性强,通常不用种子繁殖。每年可收割5—7茬,亩产3—5万斤。聚合草繁殖力强。我站1976年秋引进聚合草6株,采取挖棵剥繁、切根床繁、根脑分繁、茎杆扦
Aggregated grass, belonging to Boraginaceae Polygalaceae, perennial cluster of herbs. In recent years it has been widely used as green fodder with high yield, good quality, fast growth, wide adaptability and good palatability. Its roots reach about 1 meter deep, mainly distributed in 30-40 cm soil layer, stem leaves 50-60, leaf length 50-60 cm, leaf width 15-17 cm, stems and small bristles. Flower lavender or yellowish white, from May to October. Seed setting rate is low, granularity is strong, usually without seed multiplication. Can be harvested every 5-7 stubble, 3-5 million kg per mu. Aggregation of grass fertility. I station in the autumn of 1976 the introduction of polymerized grass 6, to dig a tree peel, cut root bed complex, root and brain split, stem skewer