| English | Danish |
| biological nitrogen fixation | biologisk kvælstofbinding |
| nitrogen cycle bacterium | kvælstoffikserende bakterie 1 |
| nitrogen-fixing bacteria | nitrogenbindende bakterie |
| nitrogen-fixing bacteria | nitrogenfikserende bakterie |
| nitrogen-fixing bacteria | nitrogenbakterie |
| nitrogen fixing plant | kvælstofsamlende plante |
| nitrogen, phosphorus and potassium | nitrogen, phosphor, kalium |
| nitrogen, phosphorus and potassium | kvælstof, fosfor og kalium |
| nitrogen-phosphorus detector | nitrogen-phosphordetektor |
| nitrogen, phosphorus, potassium | nitrogen, phosphor, kalium |
| nitrogen, phosphorus, potassium | kvælstof, fosfor og kalium |
| nuclear transmutation of natural nitrogen into radioactive 14C | nuklear omdannelse af naturlig nitrogen til radioaktiv 14C |
| symbiotical fixing of nitrogen | symbiotisk N-binding |
