Moreira, G.N.C. et al. 2014. Fertility of soils in the region of transamazonic highway. III. Fertilizer experiments. Pesquisa Agropecuaria Brasileira. 12, 1 (Apr. 2014), 81–90. DOI:https://doi.org/10.1590/S1678-3921.pab1977.v12.16792.