Table 4.
Inputs and outputs (release) of carbon (C) from/to the belowground soil system for both previous land‐use types and both genotypes (Koster and Skado). Uncertainties were calculated using Monte Carlo simulations
| Year | Aboveground inputs | SD | Harv | SD | Belowground inputs | SD | Output | DOC | SD | Balance | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Leaves | SD | Weeds | Weeds | SD | Fr | Rh | SD | SD | |||||||||
| Cropland | |||||||||||||||||
| Koster | 2010 | 34 | 1.43 | 39 | 27.8 | 0 | – | 32 | 21.4 | 58 | 52.8 | 312 | 113.1 | 7.8 | 2.5 | −156.3 | 119.8 |
| 2011 | 72 | 0.76 | 54 | 31.4 | 45 | 25.7 | 175 | 181.0 | 73 | 55.2 | 314 | 110.4 | 9.4 | 2.0 | 95.2 | 164.2 | |
| 2012 | 115 | 9.74 | 14 | 10.1 | 0 | – | 85 | 71.1 | 125 | 42.4 | 285 | 110.2 | 12.8 | 2.8 | 41.6 | 137.3 | |
| 2013 | 151 | 7.82 | 16 | 9.7 | 40 | 27.8 | 50 | 43.2 | 74 | 44.0 | 282 | 103.6 | 14.6 | 3.1 | 34.5 | 122.2 | |
| Total | 372 | 12.6 | 124 | 44.2 | 85 | 37.9 | 341 | 200.3 | 331 | 97.8 | 1193 | 218.7 | 45 | 5.3 | 15.0 | 281.8 | |
| Skado | 2010 | 32 | 11.57 | 7 | 4.3 | 0 | – | 5 | 2.8 | 43 | 36.3 | 385 | 113.6 | 7.8 | 2.5 | −305.6 | 118.7 |
| 2011 | 122 | 31.05 | 38 | 20.4 | 183 | 101.6 | 121 | 111.3 | 46 | 35.9 | 325 | 84.1 | 9.4 | 2.0 | 175.4 | 136.3 | |
| 2012 | 161 | 46.71 | 6 | 4.1 | 0 | – | 67 | 69.7 | 108 | 55.3 | 354 | 108.3 | 12.8 | 2.8 | −25.0 | 134.2 | |
| 2013 | 197 | 13.96 | 1 | 0.7 | 67 | 33.3 | 35 | 30.3 | 7 | 7.1 | 380 | 115.9 | 14.6 | 3.1 | −86.8 | 123.4 | |
| Total | 512 | 58.9 | 53 | 21.3 | 250 | 106.9 | 227 | 134.8 | 204 | 75.6 | 1444 | 212.4 | 45 | 5.3 | −242.1 | 254.9 | |
| Pasture | |||||||||||||||||
| Koster | 2010 | 38 | 4.20 | 116 | 63.2 | 0 | – | 67 | 38.6 | 56 | 51.5 | 305 | 114.2 | 7.8 | 2.5 | −36.4 | 144.4 |
| 2011 | 127 | 1.93 | 255 | 110.4 | 17 | 10.6 | 123 | 72.2 | 94 | 92.0 | 307 | 110.5 | 9.4 | 2.0 | 300.2 | 142.3 | |
| 2012 | 66 | 32.94 | 35 | 20.7 | 0 | – | 133 | 95.0 | 116 | 76.5 | 303 | 86.1 | 12.8 | 2.8 | 34.0 | 156.7 | |
| 2013 | 168 | 20.19 | 13 | 9.1 | 15 | 9.4 | 17 | 17.3 | 66 | 50.7 | 296 | 99.8 | 14.6 | 3.1 | −31.8 | 113.7 | |
| Total | 399 | 38.9 | 418 | 129.2 | 32 | 14.1 | 340 | 126.6 | 332 | 139.7 | 1210 | 206.5 | 45 | 5.3 | 266.1 | 282.3 | |
| Skado | 2010 | 48 | 15.00 | 91 | 52.6 | 0 | – | 52 | 35.9 | 69 | 59.4 | 492 | 114.4 | 7.8 | 2.5 | −240.1 | 171.4 |
| 2011 | 174 | 8.99 | 160 | 82.4 | 74 | 45.7 | 159 | 90.2 | 67 | 57.8 | 553 | 128.3 | 9.4 | 2.0 | 70.2 | 167.2 | |
| 2012 | 233 | 40.56 | 13 | 8.4 | 0 | – | 105 | 75.2 | 154 | 122.2 | 417 | 124.9 | 12.8 | 2.8 | 75.7 | 181.9 | |
| 2013 | 197 | 36.95 | 4 | 2.3 | 88 | 50.4 | 46 | 41.2 | 57 | 51.0 | 429 | 131.6 | 14.6 | 3.1 | −51.8 | 154.7 | |
| Total | 652 | 57.6 | 268 | 98.1 | 162 | 68.0 | 362 | 129.5 | 346 | 156.2 | 1892 | 249.9 | 45 | 5.3 | −145.9 | 337.6 | |
Harv, losses after harvest; Fr, fine roots; Rh, heterotrophic respiration; DOC, dissolved organic C.
All values are in g C m−2 yr−1.