Salisu SG, Hassan MR, Adamu HY, Musa A, Ahmed SA, Abdullahi U, Umar SJ, Abdulsalam M, Haruna MA, Abubakar SA. Effect of NPK (20:10:10) Fertilizer Rates and Age of Harvest on Forage Yield and Quality of two Maize (Zea mays L) Varieties in Northern Guinea Savannah. NJAP [Internet]. 2026Aug.25 [cited 2026Sep.19];53(2):1-10. Available from: https://njap.org.ng/index.php/njap/article/view/9191