Sugar cane is a reality in the role of global profitability and an energetic resource capable to help with more sustainability, saving fossil fuels in the new policies for socioeconomic development. The State of Sao Paulo has proven to be a region of great potential to supply sugar cane demands to produce sugar, ethanol and energy, for its tradition in the sugar and alcohol sector, its economical structure, technological availability and appropriate infrastructure. The objective of this study was to survey the crops efficiency along 16 growing seasons, investigating the relative...