HASSAN, H. H. .; HUTHILY, K. H. .; MOHSEN, K. H. . Effect of Humic Acid and Silicon on some Growth Characteristics of Maize (Zea mays L.). Basrah Journal of Agricultural Sciences, [S. l.], v. 32, n. 2, p. 23–32, 2019. DOI: 10.37077/25200860.2019.190. Disponível em: https://bjas.bajas.edu.iq/index.php/bjas/article/view/106. Acesso em: 20 jun. 2024.