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Corn

Corn is the number one crop grown in the U.S. To maximize yield and crop quality, corn needs nutrients — especially nitrogen. But when it comes to fertilizer, the rule of thumb is quality, not quantity. Too much K and N can get lost in the soil. Ensure your plants are getting the nutrients they need with our nutrient use efficiency products, giving you increased yields and a higher ROI.


Application Guidelines Legend
  • Ask a Specialist

    Ask a Specialist

  • Broadcast

    Broadcast

  • Fertigation

    Fertigation

  • Foliar

    Foliar

  • In-Furrow

    In-Furrow

  • Post-harvest

    Post-harvest

  • Seed Treatments & Inoculants

    Seed Treatments & Inoculants


  • Aqua-Pam™

    Aqua-Pam™ is a soil surfactant and water retention aid that improves soil structure, water supply to roots and nutrient use efficiency.

    • Fertigation
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  • AVAIL®

    AVAIL® Phosphorus Fertilizer Enhancer reduces the fixation of applied phosphorus, keeping more available for plant uptake and improving fertilizer ROI.

    • Broadcast
    • In-Furrow
    • Post-harvest
    Learn More
  • AVAIL® T5

    AVAIL® T5 Phosphorus Fertilizer Enhancer reduces the fixation of applied phosphorus, keeping more available for plant uptake and improving fertilizer ROI.

    • Broadcast
    • In-Furrow
    • Post-harvest
    Learn More
  • CITRON®

    CITRON® Water Herbicide Adjuvant boosts herbicide efficiency and can be used in conjunction with most contact herbicides.

    • Fertigation
    Learn More
  • Crop+™

    SEED+ is a nutritional seed treatment supporting seedling vigor and emergence to better tolerate the effects of abiotic stress, crop quality and yield.

    • Foliar
    Learn More
  • Diamond Brand® Ferrous Sulfate Products

    Moist Ferrous Sulfate Heptahydrate | Dried Ferrous Sulfate Heptahydrate | Dried Solu-Grade® Heptahydrate | Dried Ferrous Sulfate Monohydrate | Dried Ferrous Sulfate Granular Monohydrate

    • Ask a Specialist
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  • Fungi-Phite®

    Fungi-Phite® is a fast-acting phosphite fungicide proven to fight and prevent disease in more than 20 varieties of specialty crops.

    • Broadcast
    • Fertigation
    • Foliar
    • In-Furrow
    • Post-harvest
    Learn More
  • Granulated Fertilizer Micronutrients

    Learn More
  • MicroSync™

    MicroSync™ Granular Micronutrients are a unique blend of sulfates and sucrates that offer improved nutrient availability and performance.

    • Broadcast
    • In-Furrow
    • Post-harvest
    Learn More
  • More Than Manure®

    More Than Manure® Nutrient Manager reduces farm odors while protecting your manure’s phosphorus and nitrogen for improved plant uptake.

    • Ask a Specialist
    Learn More
  • NUE Charge™ G

    NUE Charge G™ provides long-lasting protection of treated granular nitrogen fertilizers, enhancing nitrogen use efficiency.

    • Broadcast
    • Fertigation
    • Foliar
    • In-Furrow
    • Post-harvest
    Learn More
  • Nutri-Phite®

    By slowing the oxidation of phosphorus, Nutri-Phite® enhances nutrient uptake to improve plant health and vigor, leading to increased yield potential.

    • Broadcast
    • Fertigation
    • Foliar
    • Post-harvest
    Learn More
  • Nutripaction Granulated Micronutrients

    Nutripaction Granulated Micronutrients help prevent and correct nutrient deficiencies to achieve higher and more profitable yields.

    • Ask a Specialist
    Learn More
  • NutriSphere-N®

    NutriSphere-N® Nitrogen Fertilizer Manager keeps more nitrogen available for plant uptake and inhibits N loss.

    • Broadcast
    • Fertigation
    • Foliar
    • In-Furrow
    • Post-harvest
    Learn More
  • NutriSphere-N® HV

    NutriSphere-N® Nitrogen Fertilizer Manager keeps more nitrogen available for plant uptake and inhibits all three forms of N loss.

    • Fertigation
    Learn More
  • Primacy ALPHA®

    Primacy ALPHA® works inside the plant to stimulate the efficient assimilation and utilization of nutrients for a more consistent quality and yield in flowering and fruit size.

    • Broadcast
    • Fertigation
    • Foliar
    Learn More
  • Safe Zone™

    Safe Zone™ is a liquid soil treatment to reduce soluble salts in the root zone, improving germination, water percolation and nutrient uptake.

    • Fertigation
    Learn More
  • Seed+™Dry

    SEED+ is a nutritional seed treatment supporting seedling vigor and emergence to better tolerate the effects of abiotic stress, crop quality and yield.

    • Seed Treatments & Inoculants
    Learn More
  • Take Off®

    Take Off® is a revolutionary nitrogen-management technology that accelerates nutrient acquisition and assimilation as well as nitrogen use efficiency.

    • Fertigation
    • Foliar
    • In-Furrow
    • Post-harvest
    Learn More
  • Take Off® LS

    Take Off® LS is a revolutionary nitrogen-management technology that accelerates nutrient acquisition and assimilation as well as nitrogen use efficiency.

    • Fertigation
    • Foliar
    • In-Furrow
    • Post-harvest
    Learn More
  • Take Off® ST

    Take Off ST® is a seed treatment that helps growers maximize yield potential by accelerating germination, emergence and nitrogen uptake.

    • Seed Treatments & Inoculants
    Learn More

Key Considerations for Corn Crops


Nutrient Management

Nitrogen and potassium are the most important nutrients for successful growth in corn crops. However, it’s not enough to apply fertilizer and hope for the best. Corn can only absorb a limited amount of nitrogen and potassium without help, and any excess will be lost through fixation or leaching. For optimal results in those critical growth stages (especially V6), nitrogen and potassium need efficiency increases. You can give them the efficiency boost they need with our nutrient use efficiency products listed above.

By improving plant metabolism or reducing fixation, our lineup of nutrient use efficiency products can help increase your corn’s nutrient uptake, giving it more of the nutrients it needs for optimal growth, all while helping you maximize your fertilizer ROI.

Soil and Temperature Requirements

Corn is very sensitive to water-logging, so well-drained, sandy loam soils or silty clay loams are ideal. Corn crops can be very sensitive to frost, so it’s important to plant in moderately warm soil and harvest early, before the weather turns.

Pest Management

Weeds tend to compete with corn for resources. Unfortunately, corn is also susceptible to insect and disease damage, which is highly influenced by the season’s weather conditions. To combat pest and disease pressure, herbicides, pesticides and fungicides are recommended as part of an integrated pest management program.


Key Nutrients


  • Nitrogen — For yield, quality and maximum economic return, nitrogen is key. Apply early for best results, but split applications can also be beneficial. However, more nitrogen doesn’t mean more uptake. Additional applications can often increase N lost to the soil, so, increasing your nitrogen efficiency could generate a higher ROI than applying more fertilizer.
  • Potassium — Needed almost as much as nitrogen, potassium uptake is rapid, especially during stem extension. This is why potassium—like nitrogen—needs its efficiency increased.
  • Phosphorus — Key for rapid, early growth as well as maturity and root growth.
  • Zinc, Copper, Manganese and other micronutrients —Important for root and shoot development, but not as critical for growth as N, P and K.

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