| pH | Avail.P | Exch.K | Exch.Mg | Exch.Ca | |||||
---|---|---|---|---|---|---|---|---|---|---|
Treatment | mg kg-1 | |||||||||
 | Bag filling | End | Bag filling | End | Bag filling | End | Bag filling | End | Bag filling | End |
0% biochar + no LF | 5.30 ± 0.01c | 5.64 ± 0.11a | 1699 ± 298a | 1549 ± 85a | 78 ± 34c | 30 ± 9cd | 22 ± 2c | 14 ± 0c | 248 ± 16c | 220 ± 15b |
0% biochar + N-P-K-Mg | - | 4.31 ± 0.05b | - | 1650 ± 222a | - | 136 ± 7a | - | 35 ± 1a | - | 78 ± 5d |
1% biochar + no LF | 6.25 ± 0.03b | 5.69 ± 0.09a | 1570 ± 411a | 1384 ± 297a | 129 ± 41b | 47 ± 12c | 34 ± 6b | 16 ± 2c | 337 ± 31b | 230 ± 22b |
1% biochar + N-Mg | - | 4.33 ± 0.08b | - | 1585 ± 388a | - | 17 ± 4cd | - | 36 ± 6a | - | 117 ± 16c |
2% biochar + no LF | 6.58 ± 0.01a | 5.57 ± 0.33a | 1474 ± 143a | 1626 ± 198a | 160 ± 48a | 94 ± 42b | 40 ± 4a | 29 ± 2b | 379 ± 28a | 319 ± 18a |
2% biochar + N-Mg | - | 4.43 ± 0.11b | - | 1535 ± 154a | - | 12 ± 4d | - | 41 ± 4a | - | 136 ± 7c |