Energy-Based Evaluations on Eucalyptus Biomass Production

Table 7

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

Scenario	Lime	Ash	Sludge
Base	100.0	106.0	124.4
+𝑈𝐿^§	100.0	105.9	124.3
−𝐿ab^{	99.3	105.3	123.4
−𝑃OW^‡	99.0	105.0	123.4
+𝐹𝐸^†	98.4	104.3	122.7
−𝐴𝑙^††	97.9	103.3	119.9

^†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).