Soil Mineralogy and K Fixation in California Soils.
Randal J. Southard, One Shields Avenue, University of California-Davis, Davis, CA, G. Stuart Pettygrove, Land, Air and Water Resources, University of California Davis, Davis, CA and Gordon L. Rees, One Grand Ave, California Polytechnic State University-San Luis Obispo, San Luis Obispo, CA, US