Reports by David Laird

	Interaction between Sorption of Organic Compounds, Clay Swelling, and Cation Exchange Selectivity in Smectites.
	Some Contributions of Resistant Compounds to Soil Organic Matter Formation and Nutrient Cycling.
	Sorption of Dimethylisophthalate by Smectite as Influenced by Sample Handling and Interlayer Cation.
	Test of Regional Calibrations for a NIRS Soil Mapping System.