Table 2.
Energy equivalent values for various inputs.
| Particulars | Unit | Energy equivalent (MJ unit−1) | Reference |
|---|---|---|---|
| Human labor | Person-h | 1.96 | Shahin et al. (2008) |
| Diesel fuel | Liter | 56.31 | Shahin et al. (2008) |
| Chemical fertilizers | kg | ||
| Nitrogen | 66.14 | Shahin et al. (2008) | |
| Phosphorus (P2O5) | 12.44 | Shahin et al. (2008) | |
| Potassium (K2O) | 11.15 | Shahin et al. (2008) | |
| Zinc | 8.4 | Shahin et al. (2008) | |
| Pesticide | kg ai ha−1 | ||
| Herbicide | 238 | Gündoğmuş (2006) | |
| Insecticide | 199 | Gündoğmuş (2006) | |
| Fungicide | 92 | Gündoğmuş (2006) | |
| Seeds | kg | 15.2 | Rahman and Rahman (2013) and Yadav et al. (2013) |
| Electricitya | kWh | 11.93 | Mobtaker et al. (2010) |
| Outputs | kg | ||
| Grain yield | 14.7 | Shahin et al. (2008) | |
| Straw yield | 12.5 | Shahin et al. (2008) |
aA 1-HP electric motor consumes 0.746 kW, so a 15-HP motor used for pumping water will consume = 15 × 0.746 = 11.2 kW of energy in 1 h.