TOXIC EFFECTS OF COPPER AND ZINC ON GERMINATION AND SEEDLING GROWTH OF SOME TREES. Biological Sciences - PJSIR, [S. l.], v. 44, n. 6, p. 351–355, 2001. Disponível em: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1972. Acesso em: 10 mar. 2026.