Table 3.
Scenariosa | CH4 kg (kg CO2 eq. ha−1) | N2O (kg CO2eq. ha−1) | GHG emission due to residue burning (kg CO2eq. ha−1) | GHG emission due to energy consumption (kg CO2eq. ha−1) | Total C sequestration (kg CO2 eq. ha−1) | Area Scaled (GWP; kg CO2eq. ha−1) |
---|---|---|---|---|---|---|
Rice/maize | ||||||
Sc1 | 1818 | 7 | 278 | 2941A | 0 | 5043A |
Sc2 | 1103 | 583 | 0 | 2484B | − 428 | 3742B |
Sc3 | 1129 | 580 | 0 | 2414B | − 625 | 3498B |
Sc4 | 0 | 50 | 69 | 1126C | 0 | 1245C |
Sc5 | 0 | 60 | 0 | 1005D | − 851 | 213D |
Sc6 | 0 | 59 | 0 | 1091CD | − 866 | 285D |
Sc7 | 0 | 61 | 0 | 1097CD | − 908 | 250D |
Wheat | ||||||
Sc1 | 0 | 50 | 59 | 1299A | 0 | 1409A |
Sc2 | 0 | 101 | 0 | 1174B | − 1658 | − 384C |
Sc3 | 0 | 102 | 0 | 1183B | − 1821 | − 536C |
Sc4 | 0 | 50 | 58 | 1298A | 0 | 1407A |
Sc5 | 0 | 72 | 0 | 1122C | − 1179 | 16B |
Sc6 | 0 | 72 | 0 | 1183B | − 1204 | 51B |
Sc7 | 0 | 73 | 0 | 1178B | − 1243 | 8B |
Rice/maize-wheat system | ||||||
Sc1 | 1818 | 57 | 337 | 4240A | 0 | 6451A |
Sc2 | 1103 | 683 | 0 | 3658B | − 2086 | 3359B |
Sc3 | 1129 | 682 | 0 | 3597B | − 2446 | 2962BC |
Sc4 | 0 | 101 | 109 | 2424C | 0 | 2652C |
Sc5 | 0 | 132 | 0 | 2127E | − 2030 | 228D |
Sc6 | 0 | 131 | 0 | 2274D | − 2070 | 336D |
Sc7 | 0 | 171 | 0 | 2435C | − 3039 | − 433E |
aRefer Table 4 for scenarios description*Included diesel, electricity, and production and transportation of fertilizers.