地处陕北的吴旗县和宜川县用飞机播种沙打旺已经获得成功。沙打旺(Astragalus adsurgens Pall)又名直立黄芪、麻豆秧,是我国北方固沙、保土、饲用、绿肥的优良草种。它种子小,播种后只要有三十至五十毫米降水量,就能有较高的出苗率。苗期抗旱耐寒,适应性强,能抑制杂草,形 Wuqi County and Yichuan County, located in northern Shaanxi, have succeeded in sowing Astragalus by air. Astragalus adsurgens Pall (Astragalus adsurgens Pall), also known as upright Astragalus, Ma Dou Yang, is our country sand fixation, soil conservation, feed, green manure fine grass. It is a small seed, after sowing as long as there is 30 to 50 mm precipitation, can have a higher emergence rate. Seedling drought tolerance, adaptability, can inhibit weeds, shape