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What are Humic Acid?

The benefits of Soil Organic Matter to plant growth has been recognised for centuries as being the major contributor of plant nutrients. Soil Organic Matter is very rich in many elements, including significant quantities of humic acids.

Humic acids can be concentrated by their extraction from decomposed organic matter for use in all agricultural crops through fertigation and foliar sprays. Humic and Fulvic acids (humates and fulvates) are associated with significant improvement in plant shoot and root growth.

BioHumates Australia has access to a unique high quality Australian Peat-based source of Humates with the following characteristics:


  • Testing has confirmed that all sugars are below detection limits, indicating that full decomposition has taken place. This is a highly developed Humate.
  • High Cation and Anion Exchange Capacity to help maximize plant uptake and minimize fertiliser wastage.
  • Increases microbiological activity and encourages soil micro-organisms, increases soil water holding capacity, nutrient translocation, plant membrane permeability to nutrients; root respiration and formation.
  • Improves soil aeration, friability (crumbliness) of soil; acts as an organic catalyst and stimulates plant enzymes.
  • Retains water soluble fertilizers in soil, is rich in organic and mineral substances, improves soil pH buffering capacity, increases soil cation exchange capacity and improves phosphate availability. Very effective in sandy or saline-sodic soils.


  • Increases crop yields per hectare
  • Potential to reduce the amount of fertilizer used
  • Potential to reduce water usage and increase drought resistance

The BioHumates Difference

Not all Potassium Humates are alike. Good Potassium Humate products have:

  • Significant levels of fulvic acids. The smaller the molecules of fulvic acid, the more effective they are.

     BioHumates Potassium Humate has high levels of low molecular weight Fulvic Acids.

  • High Acid Group and Carboxyl group content.

     BioHumates Potassium Humates have high Acid Group content (0.87mmol/ml) and Carboxyl groups (15.9% of total Carbon).

  • High TKN that indicates the amount of available nitrogen.

    shows high TKN content 0.33%w/v.