The paper introduces the method of azotobacter fertilizer by biological process and test method of bacteria.

本文介绍了生物法制固氮菌肥的方法,以及菌种的检验方法.

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Bacterial ferritin from Azotobacter vinelandii has qualitative characteristic absorption peaks in the visible spectral region.

棕色固氮菌细菌蛋白在可见光谱区中有定性的特征吸收峰.

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