Abdullahi A. Optimizing Okra (Abelmoschus esculentus) Productivity through Integrated Nutrient Management: Effects of NPK Fertilizer and Cow Dung Manure in the Sudan Savanna, Nigeria. TURSTEP [Internet]. 29 Mayıs 2025 [a.yer 02 Mayıs 2026];:785-90. Erişim adresi: http://www.turjaf.com/index.php/TURSTEP/article/view/553