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。
It increased plough layer soil water and available nutrients content.
大豆覆膜增加了土壤水分与速效养分含量。
This paper studies the fertilization of gangue weathering matter centered around its serious deficiencies in organic active matter and available nutrients.
围绕煤矸石缺乏有机活性物质及有效养分的问题，在矸石山复垦种植时，对施肥作了试验研究。
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