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沙打旺是多年生豆科牧草,属于黄芪属的直立黄芪。学名:Astragalus adsurgensPall。沙打旺具有适应性强,耐旱耐寒,鲜草产量高,草质好等优点,它是绿肥、饲草兼用的优良草种。沙打旺在黄河流域水土流失严重的黄土高原地区、沙漠地区都生长良好。我省从1964年开始引种试验,现正在吕梁、忻县、临汾、雁北、运城等地区推广种植。实践证明沙打旺是保持水土、改良土壤、防风固沙、促进山区农、牧业发展的好草种。沙打旺营养丰富,是各种家畜的好饲草。据省水保所分析,初花期的青干草(全株样)含粗旦白质12.12％,粗脂肪1.46％,粗纤维30.31％,无氮浸出物39.58％,灰分
Astragalus is a perennial legume forage, belonging to the Astragalus Astragalus. Scientific name: Astragalus adsurgensPall. Astragalus has a strong adaptability, drought tolerance, high yield of fresh grass, good quality grass, etc., it is green manure, forage grass and the use of fine grass. Sandywang grew well in the Loess Plateau and desert areas with serious soil erosion in the Yellow River basin. Since 1964, our province has started the introduction experiment and is now planting and planting in areas such as Luliang, Xinxian, Linfen, Yanbei and Yuncheng. Practice has proved that Astragalus is a good grass species that can maintain soil and water, improve soil, prevent wind and sand and promote the development of agriculture and animal husbandry in mountainous areas. Struggling nutritious, is a good forage for all kinds of livestock. According to the analysis of provincial water conservation institutes, young hay plants (whole plant samples) with initial flowering period contained 12.12% crude protein, 1.46% crude fat, 30.31% crude fiber, 39.58% nitrogen-free extract,