Fertilizer Products

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    ALPINE MicroBolt B®


    ALPINE MicroBolt B Product Reference Sheet MSDS

    Nutrients Supplied
    Boron (B) 134

    Product Properties 
    Weight 1.34 kg/L
    Specific gravity 1.34 kg/L
    pH 7.6-8.4
    Appearance clear to slightly yellow
    Odor odorless

    ALPINE MicroBolt B micronutrient is manufactured by utilizing the highest quality raw materials to provide a very agronomically efficient source or plant available Boron. ALPINE MicroBolt B micronutrient delivers:

    • Maximum plant nutrient solubility - in furrow or foliar
    • Minimal salt index
    • No application equipment corrosion
    • Compatibility with most other liquid fertilizers
    • Tank mixable with most pesticides
    • Low impurities
    • Neutral pH


    Application Rate: Use 1/4 to 1 Litre/ac either in furrow or as a foliar spray.
    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. 

    DO NOT use Boron in furrow in corn or in soybeans planted at 30".

    Maximum of 2L/ac of any combination of micronutrients when mixed with a seed placed starter fertilizer. 

    Role of Boron


    • Vital to the growth and development of the plant, without adequate Boron, new growth ceases 
    • It is necessary in the pollination and seed production stages
    • Boron is essential for maintaining a balance between sugars and starches. 
    • A small amount of Boron is beneficial to plants but too much can be toxic to plants.
    Sugar Mover
    • Boron moves plant sugars up and down the plant daily
    • During the night time, Boron moves plant sugars from the plant to feed the root system, which in turn feeds the soil biology
    • During the night, the soil biology exudes food for the roots and then Boron moves this food from the roots up into the plant during the day
    • This process takes place daily

    Cell Development
    • Boron functions in plants in the differentiation of meristematic cells. Without Boron, cells may continue to divide, but structural components are not differentiated
    • Missing florets (seeds) in Timothy and Alfalfa heads
    • Larger cereal heads and fuller Canola & legume pods
    The "Missing Seed" Thing
    Explanation: At the top and the bottom of the pod is a hormone called GABA. This hormone must move in the pod to fertilize each and every seed in that pod. No GABA no SEED. The nutrient that moves GABA throughout the pod is Boron along with mainly Phosphorous, Manganese, Calcium and other nutrients. Remember Boron along with Phosphorous moves sugars in the plant daily, so if there is an interruption of this or a lack of nutrients - the seed does not become fertilized so there is no seed 


    Boron Soil Availability

    • Soils with high pH values reduce solubility and therefore plant uptake
    • Soils with low pH values increase solubility but can also lead to leaching of Boron out of the root zone.
    • 0.6 - 1.2 ppm in soil test is medium amount

    Boron in the Leaf


    Sufficiency tissue test ranges in ppm

    • Canola: 15 - 20
    • Small grains: 8 - 20
    • Peas: 15 - 45
    • Corn @ tasseling: 6 - 20
    • Soybeans: 25 - 60

    Deficiencies Symptoms

    • Plant turns pale green
    • Heads poorly developed and sterile
    • Deformed flowers
    • Proliferation of side shoots resulting in a "witches broom" condition

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



    Product Specifications
    micronutrients.boron y
    applicationMethod Micronutrient