Table 3: Percentage of purchased emergy inputs ( ) per operations and classes*.

OperationsEmergy demand per class (%)
FuelEmergy depreciationLaborInputTotal

Harvest 24.201.0013.001.2039.40
Limestone application0.200.000.1022.0022.30
Subsoiling + fertilizer + herbicide 0.500.000.2016.1016.80
Fertilizer application (2nd year)0.200.000.104.705.00
Fertilizer application (3rd month)0.100.000.103.003.20
Fertilizer application (8th month)0.200.000.102.803.10
Planting0.100.000.802.002.90
Outros1.300.103.502.307.20

Total26.701.3017.8054.10100

*From 16.80% of the emergy total subsoiling, 15.70% represents fertilizer (06-30-10) and 0.40% the herbicide.