Testing the Feasibility of Citric Acid-Assisted Nickel Agromining with Tropical and Temperate Hyperaccumulator Plants - Luiz Henrique Vieira Lima; Serigne Ndiawar Ly; Raul Santos Rocha de Araújo; Jakson dos Santos Nascimento; Caroline Miranda Biondi; Carlos Alberto Pérez; Renata Santos Rabelo; Guillaume Echevarria; Antony van der Ent; Clístenes Williams Araújo do Nascimento (ACS Omega)