Reports by Irenus A. Tazisong

	Phosphatase Hydrolysis of Soil Organic Phosphorus Fractions.
	Tillage, Cropping System, and Nitrogen Fertilization Source Effects on Soil Carbon Fractions.
	Transformation of Organic P Forms of Poultry Litter in Soil Identified by Enzymatic Hydrolysis and P-31 NMR Spectroscopy.