Table 3.
Chemical properties (0–30 cm) as influenced by conservation methods.
| Soil Conservation Strategy | pH (H2O) | OC |
T.N |
Avail P. |
EA |
Ca |
Mg |
K |
|---|---|---|---|---|---|---|---|---|
| g kg-1 | mg kg-1 | cmol kg-1 | ||||||
| I. wombulu | 6.3 ± 0.22 | 18.2 ± 2.5 | 1.92 ± 0.28 | 18.8 ± 1.2 | 0.37 ± 0.1 | 6.05 ± 0.7 | 2.80 ± 0.7 | 0.58a±0.03 |
| I. garbonensis | 6.2 ± 0.23 | 18.6 ± 0.7 | 1.99 ± 0.08 | 19.0 ± 0.7 | 0.34 ± 0.1 | 3.86 ± 0.5 | 1.37 ± 0.1 | 0.25b ± 0.09 |
| Paddock | 6.0 ± 0.18 | 20.6 ± 3.3 | 2.13 ± 0.28 | 9.9 ± 0.7 | 0.30 ± 0.1 | 2.96 ± 0.7 | 0.77 ± 0.2 | 0.22c±0.12 |
| C. plectostachyus | 6.1 ± 0.17 | 13.2 ± 0.9 | 1.22 ± 0.27 | 8.7 ± 1.1 | 0.29 ± 0.1 | 4.58 ± 0.6 | 2.19 ± 0.1 | 0.17d ± 0.05 |
| LSD | NS | 2.9 | NS | 3.4 | NS | 2.2 | 1.12 | 0.11 |
NB: OC = organic carbon; TN = Total Nitrogen; Avail. P = Available Phosphorus; EA = Exchangeable Acidity; Means with the same letters in each column, are not significantly different at 5%; NS = Not Significant.