窒ちっ素そ固こ定てい法ほう

noun

nitrogen fixation method

Technical term in chemistry and biology for the process or method of converting atmospheric nitrogen into compounds usable by plants.

• 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法ほうを行おこなう。

  Leguminous plants perform nitrogen fixation in symbiosis with rhizobia.