KORKMAN, J.; VIRTA, P. The leaching and retention of copper lignosulphonate, copper sulphate and copper-EDTA in soil . Agricultural and Food Science, [S. l.], v. 51, n. 1, p. 51–58, 1979. DOI: 10.23986/afsci.72018. Disponível em: https://journal.fi/afs/article/view/72018. Acesso em: 17 may. 2024.