VINHAÇA: by-product resulting from the production of alcohol. It contains in its composition appreciable levels of potassium and organic matter as well as nitrogen, phosphorus, calcium, magnesium, sulfate and other elements. It is sub tapped practices of nutrients in the sugar plantations of Cana of Clealco. His use complements the chemical fertilization.

FERTIRRIGATION: is the application of fertilizer through the water for irrigation. In Clealco, the practice is the application of industrial effluent (wastewater vinhaça + water), promoting the nutritional composition of the plantation.

FOREST RESTORATION: science, practice, and art to assist and manage the recovery and ecological integrity of ecosystems, including a minimum level of biodiversity and variability in the structure and functioning of ecological processes, economic, and social. Return of an area deforested, disturbed or degraded to the condition of native forest.