1. Agricultural Science, Universidade do Oeste Paulista (UNOESTE), Presidente Prudente, São Paulo, Brazil
2. Laboratory of Soil Quality, Center of Agricultural Science, Federal University of Piauí (UFPI), Teresina, Piauí, Brazil
3. Laboratory of Plant Physiology and Biochemistry, Center of Natural Science, UFPI, Teresina, Piauí, Brazil