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    Canola Fertility – AgriFacts

    3.7 BU/AC

    Average yield increase

    2.6 BU/AC

    Three-year average compared to MAP + AS

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    Objective

    Evaluate the yield response of canola to MicroEssentials® S15® (13-33-0-15S) compared to a MAP (11-52-0) + AS (21-0-0-24S) blend.

    OVERVIEW

    • Proper applications of phosphorus (P) and sulfur (S) are critical for optimum canola yields.
    • A blend of MAP + AS (ammonium sulfate) is commonly used as a primary fertilizer source in canola-growing regions of North America.
    • MicroEssentials® S15® (13-33-0-15S) is a proprietary fertilizer that combines nitrogen (N), phosphorus (P) and sulfur (S) fused into one nutritionally balanced granule.
    • Growing conditions in North Dakota and the Canadian Prairie Provinces varied greatly across 2011, 2012 and 2013.

    TRIAL DETAILS

    Years: 2011-2013

    Crop: Canola (Brassica napus)

    Data Source: Field studies conducted by third-party, independent researchers.

    Experimental Design: Small-plot RCBD with 4 replications.

    Cropping Conditions:: Trials conformed to local cropping practices.

    P Rate: 33 lbs P₂O₅/ac

    S Rate: 15 lbs S/ac

    Application Timing and Method: Fertilizer was applied with the seed at planting.


    RESULTS


    SUMMARY

    • In 2011, 2012 and 2013, MicroEssentials® S15® increased yield by 1.0 bu/ac, 1.6 bu/ac and 3.7 bu/ac, respectively.
    • The 3.7 bu/ac (6.1%) yield advantage of MicroEssentials® S15® in 2013 demonstrates its superior performance under excellent growing conditions.
    • The three-year average across 24 trials shows the statistically significant yield advantage of 2.6 bu/ac with MicroEssentials® S15® compared to MAP + AS. This data demonstrates the value of uniform nutrient distribution and season-long sulfur availability provided by MicroEssentials®.