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济宁专区农业科学研究所去年在济宁沿湖地区新发现一种野生绿肥,群众叫“忙牛蛋棵”,经鉴定是“地黄芪(蓍)”,学名Astragaluschiuensis Linn,是一种多年生豆科草本植物。据化验分析,这种植物营养全,肥分高,其鲜棵含氮量1.228%,含磷0.348%,含钾0.6%,有机质18%,可用作水稻基肥或追肥,也可作小麦基肥。牤牛蛋棵一般株高2—3尺,高的4—5尺,直根系,单轴分枝,叶互生奇数羽状复叶,披针形,主茎叶小叶片15—19片,侧枝叶一般11—13叶,小叶片长椭圆形,叶尖微缺,叶基圆形,叶脉羽状、网状,花序为总状花序,花瓣有旗瓣、翼瓣、龙骨瓣,花为淡黄色,花萼五线裂,雄蕊十个,九个联合一个分离,雌蕊子房上位分两室,
Jining Prefecture Institute of Agricultural Sciences last year in the Jining area along the lake found a new green manure, the crowd called “busy cattle egg”, identified as “Astragalus (Achillea)”, the scientific name Astragaluschiuensis Linn, is a perennial legume herb plant. According to laboratory analysis, this plant nutrition, high fertilizer, its freshwater nitrogen content of 1.228%, phosphorus 0.348%, potassium 0.6%, organic matter 18%, can be used as rice-based fertilizer or top dressing, but also for wheat-based fertilizer . Common cow egg plant height of 2-3 feet, 4-5 feet high, straight roots, uniaxial branches, leaf alternate odd pinnate, lanceolate, main stem leaflets 15-19 slices, side Leaves generally 11-13 leaves, small leaves oblong, leaf tip emarginate, leaf base round, veins pinnate, reticulate, inflorescence racemes, petals have flag, flap, keel, flower is light Yellow, calyx five cleft, stamens ten, nine a joint separation, the pistil ovary superior two-compartment,