Table 2. Different categories considered for the calculation of energy balances of the biofuel production chain.
| |
| |
|
Cultivation |
Ploughing |
|
Harrowing |
|
Sowing |
|
Weed Control |
|
Hoeing |
|
Fertilization |
|
Treatments |
|
Harvest |
|
Irrigation |
System 1 |
|
System 2 |
|
Feedstock |
Seeds |
|
Herbicide |
|
N Fertilizer |
|
P Fertilizer |
|
Pesticide |
|
Processing |
Transformation/Transport |
|
| |
|