Diagram showing the parts of a soil cycle with a cow and a tree

Nitrogen cycle. process by which nitrogen is converted between its various chemical forms. The processes of the nitrogen cycle: nitrogen fixation, ammonification, nitrification, and denitrification.

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图像库的Nitrogen cycle. process by which nitrogen is converted between its various chemical forms. The processes of the nitrogen cycle: nitrogen fixation, ammonification, nitrification, and denitrification. 图像 Image 63146746.

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Nitrogen Cycle. Process By Which Nitrogen Is Converted Between Its Various Chemical Forms. The Processes Of The Nitrogen Cycle: Nitrogen Fixation, Ammonification, Nitrification, And Denitrification. 免版税剪贴画，向量插图和库存图片. Image 63146746.

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Nitrogen cycle. process by which nitrogen is converted between its various chemical forms. The processes of the nitrogen cycle: nitrogen fixation, ammonification, nitrification, and denitrification.

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