AL-Sheikh, Mohammad Ahmad, Omar Abdullah Abdulrazzak, and Taha Hammadi Al-Khalifa. 2024. “Effect of Adding Potassium and Organic Fertilizers on the Soil NPK Content and the Productivity of Maize (Zea Mays L.)”. Kufa Journal for Agricultural Sciences 16 (3): 152-63. https://doi.org/10.36077/kjas/2024/v16i3.15433.