Table 2.
Net mineralization fraction (NMF), complementary mineralization fraction (CMF) and estimated mineralization fraction (MFCAL1, MFCAL2) obtained from the adjusted parameters in the two simultaneous phase kinetic equation, for data of the organic residues and control soil at the doses of 300 kg ha-1 of N and 600 kg ha-1 of N, monitored during the 140 day period.
| Organic residue | MFNMF | MFCMF | Cpot | Cpot(recal1) | MFcal1 | MFcal2 | Cpot(recal2) | MFcal3 |
|---|---|---|---|---|---|---|---|---|
| % | mg C–CO2 | % | mg C–CO2 | % | ||||
| 140 days | 365 days | |||||||
| Dose I (300 kg ha−1 of N) | ||||||||
| CWS 0–5 cm | 11.53b | 19.00ab | 298.651 | 195.141 | 21.80 | 57.86 | 271.887 | 85.55 |
| CWS 5–10 cm | 11.61bc | 19.62ab | 316.150 | 186.502 | 18.62 | 40.90 | 274.059 | 73.98 |
| CWS 10–15 cm | 10.45ab | 12.07a | 239.228 | 165.709 | 11.99 | 72.52 | 224.009 | 94.31 |
| STS | 18.71c | 64.76c | 361.103 | 309.068 | 64.94 | 100 | 356.724 | 100 |
| URS | 12.10b | 19.34ab | 324.599 | 210.316 | 18.95 | 58.00 | 295.002 | 86.32 |
| ADS | 11.90b | 27.22b | 255.13 | 185.046 | 28.46 | 88.24 | 240.622 | 97.57 |
| CS | 9.27a | – | 205.491 | 141.243 | – | – | 192.191 | – |
| Dose II (600 kg ha−1 of N) | ||||||||
| CWS 0–5 cm | 10.95bc | 20.97a | 267.125 | 204.287 | 21.75 | 88.12 | 258.831 | 100 |
| CWS 5–10 cm | 9.85b | 16.21a | 286.349 | 178.544 | 15.30 | 54.30 | 258.402 | 86.08 |
| CWS 10–15 cm | 10.28b | 20.19a | 333.625 | 182.775 | 20.94 | 41.94 | 284.651 | 77.75 |
| STS | 18.79d | 49.23c | 1057.970 | 338.438 | 41.75 | 25.44 | 483.634 | 37.19 |
| URS | 12.54c | 22.96ab | 395.611 | 258.706 | 23.45 | 63.15 | 360.120 | 89.33 |
| ADS | 11.86bc | 30.04b | 243.493 | 202.762 | 29.88 | 100 | 239.030 | 100 |
| CS | 7.10a | – | 160.140 | 110.013 | – | – | 149.763 | – |
MF(cal3), calculated in accordance with MF(cal2) but for the period of 365 days.