鹰嘴紫云英又名鹰嘴黄芪,为豆科多年生草本植物。原产北半球的温带和北极带,是一种很早就被利用的放牧性豆科牧草。近年来,我国分别从加拿大、美国引入73—20渥克斯窗和81—103卢塔纳两个品种,经试种,认为是一种很有发展前途的饲料作物、水土保持作物和果园覆盖绿肥。鹰嘴紫云英茎叶柔嫩、草质好、皂素含量低、营养价值高,据本所分析:初花期绝对干物质中含粗蛋白26.0%、粗脂肪3.6%、粗灰分11.2%、粗纤维18.1%、无氮浸出物41.1%、钙1.23%、磷0.35%。 Oyster oyster, also known as olecranon astragalus, legume perennial herb. The temperate and Arctic belts, native to the northern hemisphere, are a type of grazing leguminous forage that has long been used. In recent years, China has introduced 73-20 Wakesh windows and 81-103 Loutana varieties from Canada and the United States. After trial cultivation, it is considered to be a promising feed crop, soil and water conservation crops and orchard cover Green manure. According to our analysis: absolute dry matter at early flowering stage contains 26.0% of crude protein, 3.6% of crude fat and 11.2% of crude ash content, crude crude ash content is 11.2% 18.1% of fiber, 41.1% of nitrogen-free extract, 1.23% of calcium and 0.35% of phosphorus.