蒙古岩黄芪(Hedysarum mongolicum)又名杨柴,蒙名叫踏儿郎,是豆科多年生植物。主要分布于北方沙漠地带,喜生长在固定或半固定沙丘上。即能固沙,又是优良牧草。它耐瘠薄、耐干旱,适应沙地,草的质量好、产量高。蒙古岩黄芪供作牧草可食部分的营养成分(％):粗蛋白25.4,粗脂肪2.8,粗纤维35.6,钙2.4,磷0.6,每公斤含葫萝卜素29.8毫克。营养价值与草木樨(Melilotus albus)、苜蓿(Medicago sativa)相当,高于芦苇、拂子草(Calamagrostis epigejos)等禾本科牧草。各种牲畜喜食,抓膘容易,据牧驼老人反映,倒峰的骆驼在蒙古岩黄芪草场内放牧一个月,就可抓得好膘,驼峰即可直立。产草量高,生长好的地块亩产鲜草可达2800多斤,比一般人工栽培的苜蓿高,比拂子草、芨芨草(Aehnatherum splendens)、赖草(An- Mongolian rock Astragalus (Hedysarum mongolicum), also known as Yang Chai, Mongolian called Tiro Lang, is a legume perennial. Mainly distributed in the northern desert, hi growing in the fixed or semi-fixed sand dunes. That is sand, but also good forage. It is resistant to barren, drought-resistant, to adapt to sand, grass, good quality and high yield. Mongolian rock Astragalus for the edible part of the forage nutrients (%): crude protein 25.4, crude fat 2.8, crude fiber 35.6, calcium 2.4, phosphorus 0.6, containing 29.8 mg per kilogram of carotene. The nutritional value of Melilotus albus and Medicago sativa is higher than that of grass, such as reed and Calamagrostis epigejos. A variety of animal feed, grasping easily, according to the old camel camel reflection, inverted peak camel Mongolian Rock Astragalus grass grazing area for a month, you can grasp the gravy, the hump upright. High yield, good growth plots of fresh grass per mu up to 2800 kilos, than the average artificial cultivation of alfalfa, than the grass, Aegilops grass (Aehnatherum splendens), Lai grass (An-