Muzilli, O.; Oliveira, E. L.; Gerage, A. C.; Tornero, M. Nitrogen Fertilization for Maize in the State of Paraná. III. Influence of Winter Green Manure on the Responses to Nitrogen Fertilization. PAB 2014, 18 (1), 23-27. https://doi.org/10.1590/S1678-3921.pab1983.v18.15133.