紫花苜蓿属豆科多年生宿根草本植物。它适应性强,喜中性或微碱性土壤,可耐低温。一般土地都能种植,产草量高,当年可亩产鲜枝叶10000kg 以上,三年后每年亩产鲜枝叶20000kg 以上。管理简单,病虫害少,种植一亩紫花苜蓿,能有效增加土壤肥力,一年相当于多施尿素50kg。紫花苜蓿营养丰富,含粗蛋白 Medicago sativa is a perennial perennial herb. It is adaptable, hi neutral or slightly alkaline soil, low temperature resistance. General land can be planted, high yield, in the same year can produce more than 10000kg of fresh leaves, three years after the annual output of more than 20000kg of fresh leaves. Management is simple, less pests and diseases, planting acre alfalfa, can effectively increase soil fertility, the same year more than urea 50kg. Alfalfa is nutritious and contains crude protein