Nartey, E.2007-11-132006-01-182007-11-131994http://hdl.handle.net/10625/28481Text1 digital file (131 p. : ill.)Application/pdfenSOIL SCIENCESPHOSPHORUSSOIL ANALYSISSOIL CHEMISTRYSOIL SURVEYSGHANAPedogenic changes and phosphorus availability in some soils of Northern GhanaThesis