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一、前言紫花苜蓿(Medicago sativa)素有“收草之王”的美称。新疆苜蓿栽培面积较大,1981年有275.5万亩,约占灌溉耕地面积的6％,在发展农牧业生产中占有重要地位。70年代末期为解决生产上苜蓿种籽不足的困难,先后从陕西、山西、甘肃调进大量价格较低的苜蓿种子,由于未经引种试验,品种抗寒力差,越冬率低,生长2—3年后即大量死亡。伊犁、哈密等地区均有深教训。1983年新疆又有一些单位从上述地区调进十余吨苜蓿种子,分发南
First, the introduction of alfalfa (Medicago sativa) known as “the king of harvest grass” reputation. The area of alfalfa cultivation in Xinjiang is larger, with 2.755 million mu in 1981, accounting for about 6% of the irrigated land. It occupies an important position in the development of agriculture and animal husbandry. In the late 1970s, many alfalfa seeds with lower prices were transferred from Shaanxi, Shanxi and Gansu to solve the problem of insufficient seed production in alfalfa production. Because of the lack of introduction test, 3 years after a large number of deaths. Ili, Hami and other areas have deep lessons. In 1983, some units in Xinjiang transferred more than ten tons of alfalfa seeds from the above-mentioned areas and distributed southern