Review Article
Role of Earthworms in Soil Fertility Maintenance through the Production of Biogenic Structures
Table 1
Some properties of casts of
Pheretima alaxandri and their underlying soils with and without litter cover [
10].
| | Soil without litter | Soil with litter | | Surface soil | Worm cast | Surface soil | Worm cast |
| pH | 5.65 | 7.70 | 6.25 | 6.30 | Organic Carbon (%) | 1.52 | 1.70 | 2.66 | 3.36 | Available P2O5 (mg 100 g-1) | 0.15 | 0.24 | 0.19 | 0.22 | Available K2O (mg 100 g-1) | 3.31 | 4.78 | 5.98 | 7.36 |
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