Effects of poultry manure supplemented by NPK 15:15:15 fertilizer on cucumber (Cucumis sativus L.) production in Port Harcourt (Nigeria)
Opara, Eunice C.1*, Zuofa, K.2, Isirimah, N. O.1 and Douglas, D. C.2
1Department of Crop/Soil Science, Rivers State University of Science and Technology, P.M.B. 5080, Port Harcourt, Nigeria.
2Department of Crop Production and Technology, Niger Delta University, Wilberforce Island, Bayelsa
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