Cowpea response to fertilizer in a ferric luvisol

Published: 16-07-2020| Version 1 | DOI: 10.17632/tchbdj4dwj.1
Emmanuel Obianuju


The study was carried on a benchmark soil at Nyoli located in the Wa West District of the Upper West region of Ghana, West Africa. The site belongs to Varempere soil series which is classified as Ferric Luvisol according. The treatments were as follows: N-P2O5-K2O kg/ha corresponding to: T1: 0-0-0, (control), T2: 10 – 15 – 10, T3: 20 – 15 – 20, T4: 20 – 30 – 10, T5: 20 – 30 – 20, T6: 20 – 45 – 20, T7: 30 – 45 – 30. The experimental design was a fractional factorial experiment laid out in a Randomized Complete Block Design (RCBD) with four replications giving a total of 40 plots. The fractional factorial was used to reduce the number of treatments from all possible combinations. Only treatments of interest were selected. This project was supported by Alliance for Green Revolution in Africa (AGRA) Soil Health Programme. The main aim of the project was to boost legume production in the breadbasket region of Ghana.


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