1. Department of Crop Science of State, University of Londrina (UEL), Londrina, Paraná State, Brazil
2. Department of Soil Science of National Soybean, Center of EMBRAPA (CNPSO), Londrina, Paraná State, Brazil
3. Department of Crop Science of Agronomic, Institute of Paraná (IAPAR), Londrina, Paraná State, Brazil