Sajjad Abdul Hassan Abadi Al Taher and Harith Mahmoud Aziz Al-Tamimi (2025) “The effect of adding humic acid and bio-fertilizers on the chemical properties of date palm leaves, Barhi ”, Journal of Kerbala for Agricultural Sciences, 12(3), pp. 141–150. doi: 10.59658/jkas.v12i3.4349.