Describing something, normally a plant or microbe, able to convert inorganic nitrogen into a form usable in the biosphere.(adjective)
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Use "nitrogen-fixing" in a sentence
"FORERO: The corn with the greener leaves, he said, was inoculated with nitrogen-fixing bacteria."
"One "miracle tree" we often use in our projects, the aliso tree, has nitrogen-fixing roots that fertilize the crops and high-protein leaves that feed cows and pigs."
"Finally, we also need to plant millions of nitrogen-fixing native locust trees, which, remarkably enough, would at least begin the painfully slow process of reclaiming ruined land currently lying sallow."