Nutrient Deficiencies

Apr 17, 2020

Nutrient deficiencies can have an impact on your yield, so it is important to identify them quickly in order to address them. Nutrient deficiencies in corn are typically expressed early in cooler, wet soils. Signs of deficiencies often disappear in the spring as soils become warmer and get drier, even though the deficiency may still be impacting the crop.
Visual cues and leaf sampling are two ways to determine what nutrients your crops are missing out on. Discolored leaves, extreme dry patches and striped areas all could be visual signs that your crop is lacking essential nutrients. The results of leaf tissue sampling could also tell you what your crop needs to produce a healthier crop with a higher yield.
As you go about correcting nutrients for the current year’s crop, take notes and photos to evaluate in the following years. Although many variables could change, these comments may enable you to better prepare and plan for the next crop. Starter fertilizers could be adjusted to support your corn earlier in the growing cycle to avoid deficiencies.
Give your local Hi-Line Co-op Agronomy Salesman a call to help you identify nutrient deficiencies and recommend the correct products to get the problem solved quickly. From macronutrients to micronutrients, we are here to help you identify the best decisions for your operation.
Additional Resources:
     - IANR Cropwatch: “Key to Nutrient Deficiencies of Corn and Sorghum” July 1, 2009
     - DEKALB, Asgrow, Deltapine: “Nutrient Deficiency Systems in Corn” April 1, 2020
     - Iowa State Extension and Outreach: “Nutrient Deficiencies and Application Injuries in Field Crops” April, 2010

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