Zilli, Jerri Édson, Leandro Carvalho Marson, Bruno Franco Marson, Vicente Gianluppi, Rubens José Campo, and Mariangela Hungria. 2008. “Soybean Inoculation by Spraying Bradyrhizobium over Plants”. Pesquisa Agropecuaria Brasileira 43 (4): 541-44. https://doi.org/10.1590/S1678-3921.pab2008.v43.224.