Biological nitrogen fixation (BNF), which provides all the plants on the globe with 75% of fixed nitrogen, is one of the important projects in life science.
生物固氮为全球的植物提供75%的氮素，是生命科学中的重大课题。
Early study object of the biological nitrogen fixation bacterium is the Rhizobium which related to the nitrogen fixation of the Leguminosae.
其中研究的较早的生物固氮菌是与豆科植物共生固氮的根瘤菌。
Early study object of the biological nitrogen fixation bacterium is the Rhizobium which related to the nitrogen fixation of the Leguminosae.
其中研究的较早的生物固氮菌是与豆科植物共生固氮的根瘤菌。
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