| Year | Treatment | Organic matter (g/kg) | Total N (g/kg) | Alk-hydr. N (mg/kg) | Avail. P (mg/kg) | Avail. K (mg/kg) |
| 2011 | T1 | 19.2abc | 0.41b | 44.91c | 21.34a | 69.09b |
| T2 | 19.8ab | 0.56ab | 55.28bc | 23.62a | 88.40b | |
| T3 | 20.3a | 0.64a | 68.52ab | 25.04a | 75.59b | |
| T4 | 19.3abc | 0.44ab | | 20.42a | 131.66a | |
| T5 | 18.6abc | 0.57b | 58.75b | 23.80a | 129.11a | |
| T6 | 18.2bc | 0.59ab | 70.01a | 25.57a | 66.98b | |
| T7 | 18.1bc | 0.59b | 59.49b | 25.32a | 73.22b | |
| T8 | 17.9c | 0.49b | 71.96a | 24.08a | 133.55a | |
| T9 | 18.2bc | 0.64ab | | 23.75a | 117.23b | |
| 2012 | T1 | 19.1a | 0.40a | 48.72e | 23.26a | 88.96e |
| T2 | 19.9ab | 0.52a | 50.97e | 20.44a | 112.88c | |
| T3 | 20.5a | 0.58a | 61.14cd | 22.02a | 147.85b | |
| T4 | 19.2ab | 0.53a | 67.37abc | 22.49a | 143.92b | |
| T5 | 19.0ab | 0.48a | 71.21ab | 27.34a | 164.12a | |
| T6 | 18.5ab | 0.45a | 67.37bcd | 22.45a | 116.06c | |
| T7 | 18.3b | 0.51a | 75.39ab | 24.98a | 111.39c | |
| T8 | 17.7b | 0.52a | 54.9de | 26.82a | 101.84d | |
| T9 | 18.2b | 0.57a | | 23.35a | 93.80de |