Table 4 Energy input, including the fertilizer and energy, at sweet sorghum planting stage
Item | Unit | Input (unit/ha) | Energy intensity (MJ/unit) [30] | Energy input (MJ/ha) |
|---|---|---|---|---|
Nitrogen fertilizer | Kg | 54 | 46.50 | 2511.00 |
Phosphate fertilizer | Kg | 81 | 7.03 | 269.43 |
Potassium fertilizer | Kg | 67.5 | 6.85 | 462.38 |
Herbicide | Kg | 3.56 | 266.56 | 948.95 |
Insecticide | Kg | 0.75 | 284.82 | 213.62 |
Diesel oil | L | 67 | 44.13 | 2956.71 |
Summary | 7662.08 |