antioxidant trace nutritional element 抗氧化微量营养素
various nutritional element 各营养元素
nutritional element contents 营养元素含量
nutritional element absorption 营养元素吸收
beneficial and nutritional element 有益
theory of nutritional element return 营养元素归还说
nutritional trace element 营养痕量元素
Soil organic matter is one of the most important factors that affect the soil productivity and soil nitrogen is an. essential nutritional element for crop growth.
土壤有机质是影响土地生产力的最重要的因素。 土壤氮素是供应作物生长的最重要的营养元素。
参考来源 - 红壤稻田系统养分循环与C、N转化过程·2,447,543篇论文数据，部分数据来源于NoteExpress
Iron is a nutritional element to both man and plant.
铁是植物和人类共同需求的营养元素。
Phosphorus was not only the essential nutritional element for plants and animals, but also significant factor of environment pollution.
磷不但是动植物必需的营养元素，也是重要的环境污染因子。
Among human being's food resources, protein is the major elements for the composition of body blood, tissue organs, also it is the indispensable nutritional element for body growth recovery.
在食物来源中，蛋白质是构成身体血液，肌肉和组织的主要成分，它也是身体成长和康复不可缺少的营养素。
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