Organic Carbon Influences on Soil Particle Density and Rheological Properties Blanco-Canqui, Humberto ; Lal, R. ; Post, W. M. ; Izaurralde, R. C. ; Shipitalo, M. J. Abstract Publication: Soil Science Society of America Journal Pub Date: 2006 DOI: 10.2136/sssaj2005.0355 Bibcode: 2006SSASJ..70.1407B