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    MicroEssentials S10® vs. MAP+AS in High-Yielding Corn

    3.7 bu/ac

    Yield increase with MicroEssentials S10 over MAP+AS

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    Objective

    Evaluate the yield response of corn to MicroEssentials S10® (12-40-0-10S) compared to MAP (11-52-0) + Ammonium Sulfate (AS, 21-0-0-24S) in high-yielding environments.

     

    Overview

    • Sulfur (S) is a secondary macronutrient that is needed for corn growth and development but is mobile in the soil and can be prone to leaching beyond crop accessibility.
    • Adequate S availability during both vegetative and reproductive growth is critical for maximum corn yield.
    • MicroEssentials S10 supplies multiple nutrients fused into one nutritionally balanced granule, promoting uniform nutrient distribution, increased nutrient uptake, season-long S availability, and higher yields.

     

     

    Trial Details

    CROP: Corn (Zea mays)

    YEARS: 2020-2024

    DATA SOURCE: Replicated small-plot field studies conducted by university and/or independent third-party researchers. Trials were selected if the two treatment average was ≥ 120% of the U.S. average corn yield (173.3 bu/ac) (USDA-NASS, 2021).

    CROPPING CONDITIONS:
    • All trials conformed to local cropping practices
    N Rate: Applied according to local recommendations
    P Rate: 70 or 80 lbs P2O5/ac applied as MicroEssentials S10 or MAP. Treatment comparisons balanced for P
    S Rate: 17.5 or 20 lbs S/ac applied as MicroEssentials S10 or AS
    Application Timing: Preplant
    Application Method: Broadcast

    LOCATIONS: 31 trials across the following states – IA, IL, IN, KS, MI, MN, ND, NE, OH, SD, WI

     

     

    Results

     

     

    Summary

    • MicroEssentials S10 increased yield 3.7 bu/ac over MAP+AS averaged across 31 site-years in high yield environments.
    • MicroEssentials is uniquely designed to deliver nutrients evenly across the field, while delivering more value by increasing nutrient uptake.
    • While most blends and sulfur-enhanced fertilizers contain sulfate-S alone, MicroEssentials supports high-yield S demands by delivering season-long S availability through its combination of both sulfate and elemental S.