1、Diazotrophs play a crucial role in nitrogen fixation in agricultural ecosystems.
固氮微生物在农业生态系统中发挥着重要的固氮作用。
2、Some diazotrophs form symbiotic relationships with plants, providing them with a source of fixed nitrogen.
一些固氮微生物与植物形成共生关系,为它们提供固定氮的来源。
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