窒ちっ素そ固こ定てい

noun

nitrogen fixation

Scientific term for the process of converting atmospheric nitrogen into compounds usable by plants, often by bacteria or industrial processes.

• マメ科か植しょく物ぶつは根こん粒りゅう菌きんと共きょう生せいして窒ちっ素そ固こ定ていを行