Mas-ud Mustapha, Imoro Surazu, Ahmed Seidu. Potassium Uptake as Influenced by Neem (Azadirachta indica L.) Cake, Neem Oil and NPK on Grain Yield of Maize (Zea mays L.) in Guinea Savannah Zone of Ghana. ASRJETS-Journal [Internet]. 2023 Dec. 10 [cited 2024 May 17];96(1):123-38. Available from: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/9106