Oliveira, F.S. de, Sousa Sarmento, E.C., Dombroski, J.L.D., Silva, D.V., Freitas, C.D.M., Souza, M.F., Borges, M.P. da S. and Silveira, L.M. da . 2019. Accumulation of macronutrients in cowpea and weeds in competition and under soil water deficit. Bioscience Journal . 35, 6 (Dec. 2019), 1747–1757. DOI:https://doi.org/10.14393/BJ-v35n6a2019-42432.