Effect of planting density of the macrophyte consortium of Typha domingensis and Eleocharis acutangula on phytoremediation of barium from a flooded contaminated soil - Viana, Douglas Gomes; Pires, Fábio Ribeiro; Ferreira, Amanda Duim; Egreja Filho, Fernando Barboza; Carvalho, Cássio Francisco Moreira de; Bonomo, Robson; Martins, Luiz Fernando (Chemosphere, 2021)