Table 2.
Soil bulk density, field capacity, water-stable aggregate (>0.25 mm) content and porosity measured via the cutting ring method in the topsoil (0–13 cm) for each treatment.
| Treatment |
Bulk density
(g cm −3 ) |
Field capacity
(g g −1 ) |
Aggregate (>0.25 mm) content
(%) |
Total porosity
(%) |
Non-active porosity
(<0.002 mm) (%) |
Capillary porosity
(0.002–0.02 mm) (%) |
Aeration porosity
(>0.02 mm) (%) |
|---|---|---|---|---|---|---|---|
| Control | 1.47a | 20.1d | 48.6c | 44.5c | 5.3c | 22.1d | 17.1a |
| SM + OM | 1.34c | 30.9a | 66.4a | 49.3a | 10.6a | 27.6a | 11.1c |
| SAP + OM | 1.43b | 25.3c | 62.1b | 45.9c | 9.7b | 23.4c | 12.9b |
| SAP + SM | 1.40b | 27.3b | 64.9a | 47.1b | 10.2b | 24.8b | 12.1b |
Mean values labelled with different letters represent significant differences at P < 0.05.