Fertilizer Products

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    ALPINE MicroBolt Fe®


    Product Reference Sheet MSDS

    Nutrients Supplied
    Total Nitrogen (N)
    Iron (Fe)

    Product Properties 
    Weight 1.21 kg/L
    Specific gravity 1.21 kg/L
    pH 6.3-7.3
    Appearance reddish brown liquid
    Odor ordourless

    ALPINE MicroBolt Fe micronutrients are intended for use in a complete crop nutritional program where a soil and/or plant tissue analysis has indicated an iron deficiency. ALPINE MicroBolt Fe micronutrients may be applied with ALPINE liquid fertilizers, other liquid fertilizers, fertilizer suspensions, nitrogen solutions, or water. 


    Application Rate: Maximum annual application rate is 7L/ac.
    Optimum rate of application will vary between fields, depending on soil pH and organic matter content. Product should be used on the basis of soil and/or tissue analysis. 
    Maximum of 2L/ac of any combination of micronutrients when mixed with a seed placed starter fertilizer. 

    Role of Iron

    • Required for the formation of chlorophyll
    • Essential for plant respiration, photosynthesis
    • Required for symbiotic nitrogen fixation
    • Energy transfer


    Iron Soil Availability

    • 12-22 ppm in soil test is medium amount
    • Availability decrease with rising pH
    • Poorly drained soils reduce iron uptake


    Iron in the Leaf

    Sufficiency tissue test ranges in ppm

    • Canola: 100 -200
    • Small grains: 35 - 120
    • Peas: 50 - 100
    • Corn @ tasseling: 50 - 250
    • Soybeans: 50 - 150

    For more specific guidelines, consult with your authorized ALPINE Dealer or ALPINE District Sales Manager for fertility recommendations.


    Product Specifications
    micronutrients.iron 62.1
    applicationMethod Micronutrient