Reports by Alfred M. Blackmer

	Quantifying Temporal Patterns in Symptoms of Nitrogen Deficiencies in Corn by Remote Sensing.
	Remote Sensing Imagery as a Tool to Map High pH and Calcareous Soils on a Field Scale.
	Use of Discrete Marginal Analysis for Calculating Economically Optimal Rates of Nitrogen Fertilization for Corn.
	Using On-Farm Strip-Trials Across Many Sites and Years to Improve Nitrogen Management for Corn.