Research Article
Effect of Poultry Manure Rates on Soil Acidity in an Ultisol
Department of Crop Science and Technology, Federal University of Technology, Oweni, Nigeria
J. C. Obiefuna
Department of Crop Science and Technology, Federal University of Technology, Oweni, Nigeria
E. U. Onweremadu
Department of Soil Science and Technology, Federal University of Technology, Oweni, Nigeria