Table 11.
Amount of C and N input to the agricultural system
| Input source | Total input (t y−1) | C input | N input | ||
|---|---|---|---|---|---|
| C % of the input source | C t y−1 added to the system | N % of the input source | N t y−1 added to the system | ||
| Compost | 354,290 | 0.54 | 191,317 | 0.02 | 7086 |
| Crop residue (dry matter) | 277,000 | 0.4 | 110,800 | * | 2105 |
| Urea | 8268 | 0.2 | 1654 | 0.46 | 3803 |
| Animal manure (dry matter) | 3765 | 0.34 | 1280 | ** | 1190 |
| Biomass accumulation | - | - | 9816 | - | - |
| Total | 314,866 | 14,184 | |||