Biological nitrogen fixation on Earth
| Value | 2e+14 Kg (N)/Year |
|---|---|
| Organism | Biosphere |
| Reference | John Harte, Consider a Spherical Cow: A Course in Environmental Problem Solving, Berkeley. 1988. University Science Books |
| Primary Source | Table - link |
| Comments | About 2/3 by continental organisms, one third by marine (including legumes). See BNID 105551 |
| Entered by | Uri M |
| ID | 103507 |