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小冠花,又称多变小冠花,是豆科多年生草本植物。原产欧洲,引入美国后,主要用于铁路、高速公路的护坡;坡地的固坡保土;护堤护岸;园林绿化;废弃矿区和免耕地的覆盖以及反刍类家畜的牧草等。1974年、1979年由美国友人韩丁·阳早引入陕西省土肥所。当时主要是想用来治理陕北沙区。1983年陕西省土肥所受省农委的委托,组织了省农牧、水保、公路、铁路、园林、环保及火电厂等部门参加的小冠花综合利用科研协作组推广试种。四年
Small crown flowers, also known as changing small crown flowers, legume perennial herbs. Originated in Europe, the introduction of the United States, mainly for railway, highway slope protection; slopes of slope solid soil; berm revetment; landscaping; abandoned mining and no-tillage land cover and ruminant livestock forage. In 1974 and 1979, Han Dingyang Yang, an American friend, introduced Soil and Fertilizer Institute of Shaanxi Province. At that time, it was mainly used to control the sand area in northern Shaanxi. Soil and fertilizer in Shaanxi Province in 1983 by the commission entrusted with the Provincial Commission of Agriculture, organized the provincial agriculture and animal husbandry, water conservation, roads, railways, gardens, environmental protection and thermal power plants and other departments to participate in the comprehensive utilization of small Guanhua Research Collaboration to promote trial planting. Four years