Back to Focus on Potato


Managing Nitrogen for Irrigated Potato Production in the Upper Midwest




By Carl Rosen, Ph.D.
Professor and Extension Soil Scientist
Department of Soil, Water, and Climate
University of Minnesota
Phone: 612-625-8114
rosen006@umn.edu


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Summary:

This presentation will help consultants, growers, and other practitioners manage nitrogen (N) for irrigated potato production in the Upper Midwest. Of the essential elements required for potatoes, N is the one that often has the most important impacts tuber yield and quality. The topics addressed in this presentation include a brief review of potato N needs and the N cycle; N requirements in relation to specific potato growth stages; factors to consider when developing an N management plan; and potato responses to N from various research trials. From this presentation, the practitioner should learn how to make N rate and timing recommendations for optimal potato yield and quality.


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