Iron deficiency is one of the most common nutrient deficiency diseases and affects children's health seriously.
铁缺乏症是一种常见的严重危害儿童健康的营养缺乏症。
As a result, diseases caused by nutrient deficiency are rare in the United States.
因此在美国由营养缺乏引起的疾病很少。
In order to control frequent element deficiency diseases, effects of spraying nutrient elements on Pistacia veraL.
为防治大棚育苗期间阿月浑子常见的各种缺素症，进行了营养元素喷施试验。
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