Table 7: Sensitivity of emergy requirements to alternative management (base data 100).

ScenarioLimeAshSludge

Base100.0106.0124.4
+ 100.0105.9124.3
99.3105.3123.4
99.0105.0123.4
+ 98.4104.3122.7
97.9103.3119.9

The increase of 10% in field efficiency was based on width, speed work, maintenance schemes and field shape. Decrease machinery power in 10%. §Increase in 10% on the machinery life cycle. Decrease in 10% in labor. ††Decrease in 10% on inputs used (purchased input evapotranspiration and seedling were kept the same).