Souza, Emerson de Freitas Cordova de, and Rogério Peres Soratto. “Nitrogen Fertilization on Common Bean After Out-of-Season Maize Intercropped With Urochloa Brizantha and Urochloa Ruziziensis”. Semina: Ciências Agrárias, vol. 33, no. 6Supl1, Dec. 2012, pp. 2669-80, doi:10.5433/1679-0359.2012v33n6Supl1p2669.