Review Article
The Role of Earthworms in Tropics with Emphasis on Indian Ecosystems
Table 8
Calcium and carbonates in castings of
Pontoscolex corethrurus compared with that of habitat soil [
70].
| Constituents | g/g dry weight | Soil | Castings |
| Ionic Calcium | 12.24 0.41 | 145.50 9.81 | Exchangeable Calcium | 12.83 0.37 | 95.23 7.28 | Insoluble Calcium | 179.62 0.02 | 32.09 0.93 | Ionic/Insoluble Carbonate | 0.15 0.01 | 6.98 2.22 |
|
|