Almeida, Dejair Lopes de, et al. “Effects of Liming and Phosphorus and Nitrogen Fertilizer on Nodulation and Yield of Beans ( Phaseolus Vulgaris )”. Pesquisa Agropecuaria Brasileira, vol. 8, no. 7, Apr. 2014, pp. 127-30, https://doi.org/10.1590/S1678-3921.pab1973.v8.17433.