SINGH, S; AGGARWAL, P K. Effect of heavey metal on biomass and yield of different crop species. The Indian Journal of Agricultural Sciences, Delhi, India, v. 76, n. 11, 2011. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/3299. Acesso em: 27 oct. 2025.