Among important crop plants, nitrogen-fixing root nodules are most commonly an attribute of

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Nitrogen-fixing root nodules are most commonly found in legumes, such as beans, peas, and clover. These nodules contain bacteria that convert atmospheric nitrogen into a form that the plant can use, which allows legumes to thrive in nitrogen-poor soil. Corn, wheat, members of the potato family, and cabbage are not typically known for their ability to fix nitrogen in this way.

Among Important Crop Plants, Nitrogen-Fixing Root Nodules Are Most Commonly