For optimal crop yield, producers need to recognize the symptoms of insufficient (deficiency) or excess nutrients (toxicity) in the soil. Crops are affected by immediate factors such as weather conditions or injury, excess fertilizer, pesticide drift or insect infestations which may appear to be nutrient deficiencies. It is critical to perform regular soil testing to determine nutrient levels and monitor changes in soil nutrient status. With historic soils data and information on current growing season conditions, producers, extension agents and crop advisers can more accurately assess what is affecting the crop. This page provides information and photos of the more common nutrient deficiencies and some toxicities that Montanan producers may experience. 

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General Information

Photos of Specific Nutrients