Field chlorophyll measurements for evaluation of corn nitrogen statusFootnote1Contribution of the Department of Agronomy and Soils, Alabama Agricultural Experiment Station, Auburn University, Alabama 36849–5412 in cooperation with the National Soil Dynamics Laboratory, Agricultural Research Service, U.S. Department of Agriculture, P.O. Box 792, Auburn, Alabama 36831–0792. This research was supported by checkoff funds from the Alabama Farmers Federation Wheat and Feed Grains Committee.
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