Pereira, P. A. A., Rocha, R. E. M. da, & Araujo, R. S. (2014). Bean nodulation in monoculture and between rows of mature corn. Pesquisa Agropecuaria Brasileira, 19(8), 951–954. https://doi.org/10.1590/S1678-3921.pab1984.v19.15993