Field chlorophyll measurements for evaluation of corn nitrogen statusFootnote¹

Contribution 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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• Mention or trademark or proprietary product, or vendor does not constitute a guarantee or warranty of the product by the Alabama Agric. Exp. Stn. or USDA and does not imply its approval to the exclusion of other products or vendors that may also be suitable.
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• Contribution 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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• C.W. Wood and K.L. Edmisten are affiliated with the Department of Agronomy and Soils, 202 Funchess Hall, Auburn University, Alabama 36849–5412. D.W. Reeves is associated with the National Soil Dynamics Laboratory, Agricultural Research Service, U.S. Department of Agriculture, P.O. Box 792, Auburn, Alabama 36831–0792. R.R. Duffield is Superintendent, Field Crops Unit, E.V. Smith Research Center, P.O. Box 138, Shorter, Alabama 36075.
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