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

Operations Emergy demand per class (%) Fuel Emergy depreciation Labor Input Total Harvest 24.20 1.00 13.00 1.20 39.40 Limestone application 0.20 0.00 0.10 22.00 22.30 Subsoiling + fertilizer + herbicide 0.50 0.00 0.20 16.10 16.80 Fertilizer application (2nd year) 0.20 0.00 0.10 4.70 5.00 Fertilizer application (3rd month) 0.10 0.00 0.10 3.00 3.20 Fertilizer application (8th month) 0.20 0.00 0.10 2.80 3.10 Planting 0.10 0.00 0.80 2.00 2.90 Outros 1.30 0.10 3.50 2.30 7.20 Total 26.70 1.30 17.80 54.10 100

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