Table 6: Energy demand in the proposed scenarios (%).

Scenarios Alternatives for adjusting soil acidity Lime Ash Sludge Base 100.0 105.1 155.6 − 99.9 105.0 155.5 − 99.9 104.9 155.4 + 99.8 104.8 155.3 − 96.0 100.6 146.1 + 94.7 99.7 150.2

: decrease machinery power in 10%. : decrease labor in 10%. +: increase in 10% on the machinery life cycle. −: decrease in 10% on inputs used. +: increase of 10% in field efficiency was based on width.