MATERIALS AND METHODS
The experiment began the first week of April 2010; the
cycle was the first ratoon since this date until the end of
March 2011, when harvested. The second cycle of ratoon
was the first week of July 2011 until harvest in late June
2012. Figure 1 shows the climatic data during a period of
growth in the first and second ratoon crop of sugarcane in
Jaboticabal, São Paulo, Brazil.