From: Residual effects of corncob biochar on tropical degraded soil in central Uganda
Treatment | Potassium (cmol/kg) | Calcium (cmol/kg) | Sodium (cmol/kg) | Magnesium (cmol/kg) |
---|---|---|---|---|
CTRL | 0.16c | 1.57e | 0.20cd | 0.45e |
CM | 0.28bc | 1.99cd | 0.24c | 0.56cd |
NPK | 0.36ab | 1.67de | 0.36a | 0.51de |
BC1 | 0.34ab | 1.80de | 0.21cd | 0.59bc |
BC2 | 0.39ab | 2.51b | 0.16d | 0.65b |
BC1 + CM | 0.38ab | 2.47b | 0.20bc | 0.67ab |
BC2 + CM | 0.43a | 3.38a | 0.26cd | 0.74a |
BC1 + NPK | 0.44a | 2.28bc | 0.32ab | 0.55cd |
BC2 + NPK | 0.46a | 2.48b | 0.38a | 0.65b |
SignificantX | *** | *** | *** | *** |
SEDY | 0.03 | 0.06 | 0.01 | 0.01 |