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NDSU Agriculture
NDSU Extension Service
NDSU Research Extension Centers
Dr. Clair KeeneExtension AgronomistSmall Grains & Corn (701) 231-7405 Clair.Keene@ndsu.edu
Fertilizing Hard Red Spring Wheat and Durum (Extension publication SF-712)
NDSU Extension Service Soil and Fertilizer Publications
ProCrop - Fertilizer Section
ProCrop - Soils Section
North Dakota Wheat Nitrogen Calculator