Eventually, the surface phytoplankton exhaust the available nutrients and slow their growth.
最终，表层浮游植物耗尽了可获取的养分使其增长放缓。
Meanwhile, it is also one of the least available nutrients in the soil.
磷是构成生命的重要元素之一，也是土壤中有效性最低的一种营养元素。
Meanwhile, it is also one of the least available nutrients in the soil.
磷是构成生命的重要元素之一，也是土壤中有效性最低的一种营养元素。
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