Phosphorus fractions in calcareous soils amended with P fertilizer and cattle manure Halajnia, A. ; Haghnia, G. H. ; Fotovat, A. ; Khorasani, R. Abstract Publication: Geoderma Pub Date: April 2009 DOI: 10.1016/j.geoderma.2009.02.010 Bibcode: 2009Geode.150..209H