ratoon, i.e. roots that remain in the field after cutting
the crop. However, there are few studies in the literature
about fertilization with this nutrient in ratoon under
conservation system (Dantas Neto et al., 2006; Silva,
2010; Pancelli, 2011). Therefore, cultivation of sugarcane
in a conservation system increases residues amount on
soil surface, improving the cycling of nutrients, especially
K, making it possible to reduce the recommendation of
this nutrient for the culture.