| Input | Equivalent carbon emission (kg CE kg−1) |
| a) Fertilizer |
|
| Nitrogen | 1.30 |
| Phosphorus | 0.20 |
| Potassium | 0.15 |
| b) Pesticides |
|
| Herbicides | 6.30 |
| Insecticides | 5.10 |
| Fungicides | 3.90 |
| c) Energy |
|
| Diesel | 0.940 |
| Petrol | 0.850 |
| Electricity (Kw∙h) | 0.073 |