Abstract
Brazil is a leading world producer of cassava, with production in the state of São Paulo has the sixth largest in the country. Within the state, the region of Tupa is the 4th largest producer, achieving a growth rate of 737% in cassava production for industry in the period 2000-2008, an increase of 618% in planted area (IEA, 2009). Growth in production as expressive leads to reflections o…