Table 3 Interaction effects of charcoal production locationand soil depth on selected micronutrients, Pand S enzymes.
Location | Depth | Copper | Colbat | Iron | Manganese | Zinc | (Pho) (mg/ml/min) | Phy | Tsd | Dsr |
|---|---|---|---|---|---|---|---|---|---|---|
(mg/kg) | (µg/ml/min) | |||||||||
Ìrèle | 0–15 | 0.28d | 0.08cd | 1.93c | 0.10a | 2.0b | 0.59f. | 0.16a | 9.41ab | 1.60b |
15–30 | 0.24f. | 0.12a | 2.02b | 0.11a | 1.71c | 1.50de | 0.16a | 12.51a | 1.41c | |
30–45 | 0.28de | 0.10a-c | 1.60 f. | 0.20a | 1.30a | 1.01ef | o.16a | 4.93bc | 1.15e | |
Òkè-Àkò | 0–15 | 0.38ab | 0.06d | 0.94i | 0.09a | 1.41e | 3.32a | 0.16b | 4.51bc | 1.11f. |
15–30 | 0.26ef | 0.11ab | 1.70d | 0.13a | 1.71c | 2.55b | 0.16b | 1.92c | 0.85h | |
30–45 | 0.35c | 0.11a | 1.10h | 0.11 | 1.30g | 2.21bc | 0.16c | 1.21c | 0.78i | |
Ìpaò | 0–15 | 0.24 f. | 0.09bc | 2.17a | 0.30a | 1.33f. | 1.92cd | 0.16d | 8.86ab | 1.00g |
15–30 | 0.40a | 0.08cd | 1.61 e | 0.10a | 1.50d | 2.04bc | 0.16d | 5.12bc | 1.17d | |
30–45 | 0.37bc | 0.08cd | 1.33g | 0.11a | 1.40e | 2.45b | 0.15c | 11.13a | 1.78a | |