ABDULSAYED, O. D. .; AL-TAMEEMI, H. J. . Efficiency of Prepared Chelate Fertilizer From Humic Acid in Reducing Ammonia Volatilization From Urea Fertilizer. Basrah Journal of Agricultural Sciences, [S. l.], v. 32, p. 231–245, 2019. DOI: 10.37077/25200860.2019.271. Disponível em: https://bjas.bajas.edu.iq/index.php/bjas/article/view/156. Acesso em: 25 apr. 2024.