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黄花苜蓿是草本豆科绿肥作物。茎匍匐地面,分枝很多,青草产量高(每亩2,000—4,000斤),养分含量高(合氮0.6％),根系发达,叶为三出叶,花黄色,种荚为螺旋状,有刺齿,每荚有种子3—5粒,种子为肾脏形,黄褐色,千粒重2.5—3.2克,千荚重16克左右。黄花苜蓿的主要特性是:成熟期较早,耐寒性较强,苗期耐湿,后期怕渍,耐荫蔽,适宜于在棉田套作,但不能迟播,且不耐旱耐瘠,苗期如遇干旱则死苗
Medicago falcata is a legume green manure crop. Stems creeping on the ground, many branches, grass yield (2,000-4,000 pounds per acre), high nutrient content (0.6% of the total nitrogen), developed root system, the leaves are three leaves, yellow flowers, pods for the spiral, spines Teeth, 3-5 seeds per pod seeds, kidney-shaped seeds, yellow-brown, 1000-3.5 grams weight, about 16 grams of pods. The main characteristics of Medicago sativa are: early maturity, strong cold tolerance, seedling wet, the late fear of stains, shading, suitable for intercropping in the cotton field, but not late broadcast, and no drought tolerance barren, seedling such as In case of drought die seedlings