Experiments | soil adoption day | Total C (mg∙kg−1) | Total N (mg∙kg−1) | Total P (mg∙kg−1) | Total K (mg∙kg−1) | C/N ratio | (mg∙kg−1) | (mg∙kg−1) | Available phosphoric acid (mg∙kg−1) | Exchangeable potassium (mg∙kg−1) | pH | EC (mS∙cm−1) | |
Organic | February | 22,135 ± 81.6z | 1,922 ± 40.8 | 1,056 ± 8.16 | 2,300 ± 163 | 11.5 ± 0.08 | 3 ± 0.00 | 0 ± 0.00 | 0 ± 0.00 | 26 ± 2.45 | 6.6 ± 0.00 | 0.07 ± 0.01 | |
May | 22,973 ± 8.16 | 1,289 ± 24.5 | 1032 ± 4.08 | 2,633 ± 16.3 | 20.0 ± 0.22 | 1 ± 0.82 | 1 ± 0.00 | 92 ± 3.27 | 315 ± 8.16 | 6.9 ± 0.20 | 0.11 ± 0.01 | ||
August | 23,960 ± 16.3 | 1,059 ± 32.7 | 1159 ± 3.27 | 2,391 ± 25.3 | 23.0 ± 0.86 | 0 ± 0.00 | 1 ± 0.82 | 162 ± 4.08 | 348 ± 12.2 | 6.7 ± 0.10 | 0.18 ± 0.02 | ||
October | 24,310 ± 24.5 | 1,645 ± 40.8 | 1179 ± 89.8 | 2,363 ± 18.8 | 15.0 ± 0.21 | 1 ± 0.82 | 0 ± 0.00 | 162 ± 2.45 | 368 ± 5.72 | 6.5 ± 0.10 | 0.23 ± 0.01 | ||
Average | 23,345 ± 853 | 1,479 ± 330 | 1,107 ± 63.5 | 2,422 ± 126 | 17.4 ± 4.44 | 1 ± 1.09 | 1 ± 0.50 | 104 ± 66.5 | 264 ± 139 | 6.7 ± 0.15 | 0.15 ± 0.06 | ||
Chemical | February | 22,000 ± 408 | 1,800 ± 8.16 | 1,000 ± 8.06 | 2,108 ± 81.6 | 12.2 ± 0.16 | 6 ± 0.82 | 6 ± 0.00 | 4 ± 0.82 | 39 ± 0.82 | 5.9 ± 0.10 | 0.91 ± 0.01 | |
May | 20,275 ± 32.7 | 1,227 ± 81.6 | 1,022 ± 24.5 | 2,340 ± 19.6 | 19.0 ± 1.08 | 2 ± 0.82 | 4 ± 0.82 | 84 ± 4.90 | 365 ± 4.90 | 6.4 ± 0.20 | 0.36 ± 0.02 | ||
August | 19,280 ± 16.3 | 811 ± 8.16 | 923 ± 0.82 | 2,341 ± 24.5 | 23.0 ± 0.22 | 0 ± 0.00 | 2 ± 0.00 | 146 ± 5.72 | 355 ± 6.53 | 6.5 ± 0.20 | 0.12 ± 0.01 | ||
October | 21,703 ± 4.08 | 1,541 ± 49.0 | 1,290 ± 1.63 | 2,257 ± 49.0 | 15.0 ± 0.45 | 1 ± 0.82 | 0 ± 0.00 | 129 ± 4.90 | 379 ± 1.63 | 6.1 ± 0.00 | 0.25 ± 0.01 | ||
Average | 20,815 ± 1100 | 1345 ± 369 | 1,059 ± 138 | 2,262 ± 95.0 | 17.3 ± 4.08 | 2 ± 2.28 | 3 ± 2.24 | 91 ± 55.0 | 285 ± 142 | 6.2 ± 0.24 | 0.41 ± 0.30 | ||
t-testy | * | n.s. | n.s. | n.s. | n.s. | n.s. | n.s. | n.s | n.s. | * | n.s. |