Gírio, Lucas Augusto da Silva, et al. “Plant growth‑promoting Bacteria and Nitrogen Fertilization Effect on the Initial Growth of Sugarcane from pre‑sprouted Seedlings”. Pesquisa Agropecuaria Brasileira, vol. 50, no. 1, Jan. 2015, pp. 33-43, doi:10.1590/S1678-3921.pab2015.v50.19778.