Reports by Davis R. Clark

	Comparison of Twin-row and Single-row Planting Patterns for Optimum Corn Production in the Mississippi Delta.
	Effects of Seeding Rates and Nitrogen Rates on Corn Production in Twin-row Planting Systems for the Mississippi Delta.
	Nutrient Uptake and Removal from Various Cropping Systems in the Mississippi Delta.
	Soybean Response to Potassium and Sulfur Additions in Single-row and Twin-row Planting Systems.