| Table 3 Average weight of organisms in the upper 30 centimeters of soil (in kilograms/hectare). | ||
| Organism | Low | High |
| Bacteria | 560 | 1120 |
| Fungi | 1680 | 2240 |
| Actinomyces | 895 | 1680 |
| Protozoa | 225 | 450 |
| Algae | 225 | 335 |
| Nematodes | 28 | 55 |
| Other worms and insects | 895 | 1120 |
| Total | 4508 | 7000 |