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Research Article
Vol. 31, Issue 3
Cowpea (vigna Unguiculata [l] Walp) Response to the Application of Npk Fertilizer in a Ferric Luvisol
This study evaluated the response of cowpea to nitrogen (N), phosphorus (P), and potassium (K) fertilizer applications in a ferric luvisol of the Guinea Savanna zone of Ghana, West Africa. The treatments were arranged in a randomized complete block design with 4 replications and carried out in two seasons. Performance of Omondaw cowpea variety was ...