有效态养分(available nutrient)
难溶性养分 difficultly soluble nutrient
养分浓度梯度 nutrient concentration gradient
产芽孢细菌生长在下述哪种环境时,便开始形成芽孢()。A、营养物质丰富、有害代谢产物累积B、营养物质丰富、有害代谢产物极少C、营养物质缺乏、有害代谢产物累积D、营养物质缺乏、有害代谢产物极少
何为营养物质?微生物的营养物质有哪几类?功用如何?
单选题Among those______ has more value than any other nutrient.AvitaminsBprotein Cminerals Dfat
名词解释题植物缺素症 hunger sign in plant, nutrient deficiency symptom in plant
单选题Among those ______ has more value than any other nutrient.AvitaminsBproteinCmineralsDfat
名词解释题养分再利用 nutrient reutilization
名词解释题无效养分 non-available nutrient
名词解释题低营养流生境 less nutrient flux habitat
名词解释题中量元素养分 middle element nutrient