1.
Zhang X, Meng H, Shen Y, Li J, Wang J, Zhou H, et al. Survey on heavy metal concentrations and maturity indices of organic fertilizer in China. Int J Agric & Biol Eng [Internet]. 2018 Dec. 8 [cited 2026 Feb. 26];11(6):172-9. Available from: https://ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/4671