Ngosong CN, Enow ATDVV, Olougou MNE, Tening AS. Optimising potassium fertilizer rates for sustainable maize (Zea mays L.) production on the volcanic soils of Buea, Cameroon. Fundam. Appl. Agric. [Internet]. 2022 Mar. 30 [cited 2024 May 5];7(1):11-20. Available from: http://www.f2ffoundation.org/faa/index.php/home/article/view/273