Origin of nitrogen-fixing
Examples from the Web for nitrogen-fixing
Historical Examples of nitrogen-fixing
Nitrogen-fixing bacteria also add to the stores of nitrogen compounds.The Enclosures in England
Such plants as are hosts for the nitrogen-fixing bacteria are planted early in the season.A Civic Biology
George William Hunter
The soil must be well ventilated to supply nitrogen for the nitrogen-fixing germs and oxygen for the nitrifying germs.
To do their work well the nitrogen-fixing germs and the nitrifying germs require certain conditions.
This they do not of their own power but through the aid of very minute plants called bacteria or nitrogen-fixing germs.