Research Article
Tillage Methods and Poultry Manure Application Effects on the Growth and Yield of Groundnut (Arachis hypogaea L.) in Calabar, Nigeria
Department of Crop Science, Faculty of Agriculture, University of Calabar, P.M.B. 1115, Calabar, Nigeria
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Emmanuel Bassey Effa
Department of Crop Science, Faculty of Agriculture, University of Calabar, P.M.B. 1115, Calabar, Nigeria
Isong Abraham Isong
Department of Soil Science, Faculty of Agriculture, University of Calabar, P.M.B. 1115, Calabar, Nigeria