【摘要】 对孪井滩荒漠草地的主要牧草进行了营养水平的研究及铁、锰、锌、铜、钴、钼、硒等７种微量元素含量的测定。结果表明：孪井滩开发区草地营养水平居中等，为这一地区发展畜牧业生产提供了基础资料。更多还原

【Abstract】 The nutrient level of main herbages at Luan Well Beach desert grassland was stueied and the seventrace elements of Fe,Mn,Zn,Cu,Co,Mo,Se were measured. The result showed that the nutrient level ofthe grassland at the Luan Well Beach developing region was medium ,which provided a basic material for thedeveloping of animal husbandry prod uction in the area.更多还原