紫苜蓿又称紫花苜蓿(学名:Medicgo sativa L),系豆科苜蓿属长期多年生草本。它具有适应性强,产草量高,品质好,家畜喜采食等优点,不仅是一种很好的饲料作物,而且也是一种很好的绿肥作物。为了研究紫苜蓿在我县能否生存,有无发展前途,为加速我县草山草坡的建设和改良选择优良牧草品种提供料学依据,1984年8月至1986年9月,我们进行了引种栽培对比试验,通过两年的观察、记载、对比,现将试验情况报告如下: Purple alfalfa, also known as alfalfa (scientific name: Medicgo sativa L), Department of Medicago is a long-term perennial herb. It has the advantages of adaptability, high yield, good quality, like eating livestock, is not only a good feed crops, but also a good green manure crops. In order to study the survival of alfalfa in my county, with or without development prospects, in order to speed up the construction of grassy slopes in our county and improve the selection of good forage varieties to provide material basis, August 1984 to September 1986, we conducted the introduction Cultivation contrast test, through two years of observation, record, comparison, the test report is as follows: