Table 6 Energy equivalents used in the study for different agricultural operations.
Particulars | Units | Energy coefficients (MJ Unit−1) | References |
---|---|---|---|
Input | |||
Human labour | Man-hour | 1.96 | |
Diesel | Litre | 56.31 | |
Nitrogen (N) | Kg | 66.14 | |
Phosphorus (P2O5) | Kg | 22.44 | |
Potassium (K2O) | Kg | 11.15 | |
Herbicides, insecticides and pesticides | Kg | 120.00 | |
Irrigation water | ha-cm | 143.56 | |
Zinc sulphate (ZnSO4) | Kg | 8.40 | |
Iron sulphate (FeSO4) | Kg | 110.00 | |
Rice and wheat seed | Kg | 14.70 | |
Tractor | Kg | 93.61 | |
Other machinery | Kg | 62.70 | |
Combine harvester | Kg | 87.63 | |
Output | |||
Rice and wheat seed | Kg | 14.70 | |
Rice and wheat straw | Kg | 12.50 |