LAL, N.; SINGH, H. The effects of simulated acid rain of different pH-levels on biomass and leaf area in Sunflower (Helianthus annuus). Current Botany, [S. l.], v. 3, n. 5, 2013. Disponível em: https://updatepublishing.com/journal/index.php/cb/article/view/1434. Acesso em: 7 may. 2024.