2026. Effect of Humic Acid-Fortified Compound Fertilizer, Organic Amendment, and Biofertilization on Selected Growth Traits and Leaf Nitrogen, Phosphorus, and Potassium Concentrations in Barley. Murtada Reda Sadiq1, Basem Rahem Bader2*. Euphrates journal of agricultural science. 18, 2 (Jun. 2026).