文章摘要信息 关键词 ： 青海东部 水土保持 降雨 干旱 [gap=823]Keywords : eastern Qinghai；conservation of water and soil；precipitation；aridity
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青海东部河湟流域是青海多民族文化交流、交融最为活跃的地区。
The Hehuang area in the eastern Qinghai province is the area where many folk cultures of Qinghai most frequently interacted.
青海东部山旱区的粮食生产，在全省占有极大的比重，长期以来，因自然条件恶劣；
The grain production in dry mountain area of eastern Qinghai makes up large proportion in the whole country.
结果发现：1柴达木黄牛全部为低血钾型，而青海东部黄牛有高血钾和低血钾两种表型；
The results were as follows:(1)There were the low blood potassium phenotype(LK) in all Chaidamu yellow cattle examined and both LK and high blood potassium phenotype(HK) in east Qinghal yellow cattle;
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