[1] A. E.T and F. Ibrahim, “Effect of Rates of Single Superphosphate added to Poultry Manure on Popcorn (Zea mayseverta) Production in Jos, Plateau State,” IJEAB, vol. 3, no. 3, pp. 984–986, 2018, doi: 10.22161/ijeab/3.3.34.