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沙打旺是一种多年生草本豆科植物,耐风沙性能极好,即是在风砂严重到树木不易成活、庄稼必须毁种的情况下,它仍能旺盛生长,故名沙打旺。沙打旺是改土肥田的优良绿肥作物。植株含氮3.08％、磷0.36％、钾1.65％。1000斤干草的养分,相当于154斤硫酸铵、37斤过磷酸钙和33.3斤硫酸钾。沙打旺是优质饲料。干草内含15％粗蛋白是糠麸粗蛋白含量的1.5倍。
Astragalus is a perennial herb legumes, excellent performance of wind and sand resistance, that is, the sand is not easy to survive severe wind sand, crops must be destroyed, it is still vigorous growth, hence the name of sand Wang. Sandy Wang is an excellent green manure soil fertilizer. Plant nitrogen 3.08%, phosphorus 0.36%, potassium 1.65%. 1000 pounds of hay nutrients, equivalent to 154 kg of ammonium sulfate, 37 kg of superphosphate and 33.3 kg of potassium sulfate. Astragalus is a good feed. Hay contains 15% crude protein is 1.5 times the crude protein content of bran.