Reports by Upendra M. Sainju

	Cover Crops and Nitrogen Fertilization Effects on Nitrogen Conservation in Tilled and Non-tilled Soils.
	Dryland Residue and Soil Nitrogen Fractions as Influenced by Long-Term Tillage and Cropping Sequence.
	Effects of Irrigation and Tillage on the Community Structure of the Predominant Culturable Bacteria Associated with Soil Aggregation after One Year of Barley.
	Tillage, Cropping System, and Nitrogen Fertilization Source Effects on Soil Carbon Fractions.