OptiMag Foliar Magnesium

OptiMag Foliar Magnesium :

OptiMag is a high efficiency, highly concentrated foliar Magnesium  designed to supplement soil-applied inputs.

Benefits of OptiMag Foliar Magnesium :

  • Proven and practiced fertilisation technology for several years.
  • Making magnesium fertilisation independent of unfavourable weather conditions.
  • Allows very even application and precise timing of uptake during periods of high demand, especially when soils are dry.


    All arable & field vegetable crops.

    Pack Size:

    20l, 200l. 600l  & 1000L (IBC) .

    OptiMag Product label
    MSDS Sheet
    Product Label

    OptiMag is an enhanced uptake and translocation formulation based on a proprietary. Humic and Fulvic acid lignate complex containing a highly soluble form of Magnesium and other compounds beneficial to plant growth, crop development, crop quality and yield when applied as a properly timed foliar spray.


    Analysis w/v % g/L
    Total Nitrogen (N) 2.50 25.0
    Amide Nitrogen (N)  2.50 25.0
    Magnesium (MgO) 15.0 150.0

    For use in all cereal crops, maize, oilseed rape, potatoes, brassicas, legume, vegetable and root crops, from the 3 leaf stage of the crop until 4 weeks before harvest. Dosage should be appropriate to the level of deficiency symptoms and crop biomass. 

    Applications should be made in the early morning or late evening when the uptake by the plant will be maximised.

    Half fill the sprayer with water, start agitation and add the appropriate amount of OptiYield nutrition products first. This will ensure that the water is suitably conditioned for maximum spraying efficiency. 


    Crop Timing Rate
    All Arable and Field Vegetable crops Timings are dependent on crop, residual nitrogen and targets. 3.0 – 7.5 l/ha in 100 – 200 litres water/ha

    OptiMag Product label

    For further product information, quantities, pricing and delivery questions, please use the contact form below and we will get back to you.

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    OptiYield generates effective full-lifecycle crop programmes, utilising our library of unique bioactive products.

    OptiYield delivers 10-30% marketable yield increases in high-value crops for our farmers & growers.