The quantity of soil microorganisms show significant changes in different seasons.
2、土壤微生物数量随季节呈现显著的变化。
参考来源 - 大兴安岭兴安落叶松林土壤微生物与土壤酶活性研究Soil microorganisms are an important composition of soil ecological system, an important index of soil fertility.
土壤微生物是土壤生态系统的重要组成部分，是土壤肥力的重要指标。
参考来源 - 有机磷农药长期污染土壤的微生物分子生态效应·2,447,543篇论文数据，部分数据来源于NoteExpress
Soil microorganisms exercise direct effects on trace gases metabolism.
在微量气体代谢中，土壤微生物具有直接的作用。
The results showed that earthworm had obvious influences on the number of soil microorganisms.
结果表明：接种蚯蚓显著提高了温室土壤中不同微生物类群的数量。
Mozafar hypothesized that B12 produced by soil microorganisms might be absorbed through the roots into the plant itself.
莫扎法认为可能植物根系能吸收土壤微生物产生的B12。
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