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Humic Acid Quantum organic 20L Premium

Humic Acid Quantum organic 20L Premium

Humic Acid Quantum organic 20L Premium

$155.00 Exc Gst

Quantum H Liquid 20 Litres

Stronger Plants
Improves Soil
100% Organic Catalyst (Bulk available contact us)

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SKU: Quant20


Quantum-H helps improve, build & repair soil structure. It helps detox the soil from any heavy metals/pesticides/herbicides etc and is a great microbe food.

Quantum-H is a premium humic acid solution extracted from Agri-Plus, a high-grade leonardite ore. It has a high concentration of short-chain humic acid and fulvic acid molecules, and in addition is a very plant active liquid humic acid extract. It is manufactured using proprietary methods of extraction, settling, and handling, offering a lower sludge content and is easier to handle than other humic acid products – making it the industry benchmark.

  • 100% ORGANIC

Humics are the most natural and organic way to provide plants and soil with a concentrated dose of essential nutrients, vitamins and trace elements. They are complex molecules that exist naturally in soils, peats, oceans and fresh waters. The best and most concentrated sources of humic acids are derived from a compressed organic compound known as Leonardite derived from fresh water deposits. Leonardite is the completely decomposed remnants of living organisms derived from 70 million years of humification. Like manures and other organic compounds are used to build richly fertile compost, so too Leonardite is the end result of nature’s own composting derived at a time when the earth had minimal pollutants. As a comparison, Peat is derived from only a few thousand years of decomposed organic matter. Plant Dr Humic will help you grow plants like never before.


  • Powerful chelating agent when soil applied.
  • Increases root growth and healthy root development for increased access to soil nutrients.
  • Increases & stimulates beneficial microbial activity & quickly reduces harmful microbes.
  • Increase soil moisture retention.
  • Increases yield and plants immune system.
  • Stimulate cell elongation and division.
  • Detoxifies various pollutants in the soil (herbicides, pesticides, heavy metals, etc.)
  • Buffer soil pH.
  • Increase crop yield.
  • Build and repair soil structure.
  • Helps bind salt


  • When organic carbon levels are low
  • When valuable soil nutrients are locked up and unavailable
  • When strong new root growth is needed
  • Reduce disease
  • Apply with fertiliser
  • Can be used at any time of the year on all plants.
  • Can be applied to all crops, including vegetable crops, trees and vines. Staining may occur.
  • Can be used to all soil types.
  • Compatible with almost all fertiliser, nutrients, pesticides, herbicides, fungicide and defoliants.
  • Can be mixed with almost all liquid fertilisers and liquid nutrients, including seeding, pre-planting, side dress and water runs.


Many research papers validate the benefit of applying humic acids to seeds or seed pieces. Soaking seeds with Quantum-H may lead to increased yields for potatoes, tomatoes, cabbages, rice, eggplants, cucumbers, and other field crops as well as greenhouse crops. Add 2 litres of Quantum-H per 76 litres of seed-soak solution.


An added benefit of applying Quantum-H with liquid fertilizer is an ability to buffer the salinity and toxicity of fertilizers. Most phosphate fertilizers are formulated with ammonia, and seedlings are sensitive to ammonia toxicity as well as salt burn from applied fertilizers. By adsorbing ammonium and sodium cations, Quantum-H can reduce the toxicity of these fertilizers.


An excellent way to ensure improved emergence and early growth is by applying phosphate fertilizers with Quantum-H as a pop-up starter fertilizer. Add 1460ml. per hectare of Quantum-H to pop-up fertilizer solutions.


The most widely accepted use for liquid humic acid products is in pre-plant and starter bands. Quantum-H can greatly improve phosphate availability and stimulate the respiration rate of seedlings, which leads to quicker germination, faster root and shoot growth, and higher chlorophyll density. Apply 1460ml. or more per hectare of Quantum-H with all banded liquid nutrient solutions. Quantum-H also may improve the uptake of phosphates from banded fertilizers in two ways. First, humic acids sequester (chelate) soluble calcium and protect the phosphates from the calcium-phosphate interaction. Second, the amine functional groups on humic acids can absorb the phosphate anions, improving its availability for plant uptake.


Many researchers correlate plant growth with varying concentrations of humic and fulvic acids in the soil-water solution. For most crops, the greatest plant response to humic and fulvic acids runs anywhere from 10 to 100ppm. Adding Quantum-H to in-season water-run liquid fertilizers will provide ample humic and fulvic acids to stimulate plant growth. Quantum-H will also complex all plant nutrients and keep them plant available. In addition, it will reduce nitrate leaching and act as a nitrogen regulator to limit the “luxury consumption” of nitrogen. Quantum-H should be mixed with all banded, soil-applied and water-run liquid fertilizers. Application rates of 2 to 4 litres of Quantum-H per 38 litres of fertilizer will assure the proper concentration of humic and fulvic acids will be reached.


The use of small quantities of humic acid has demonstrated an incredible ability to flocculate the soil, increase water penetration, and reduce water run-off. Adding Quantum-H to your water-run liquid fertilizer will enhance water penetration. Additional applications of 1460ml. of Quantum-H per hectare several times during the growing season will reduce puddling, sealing, and run off. In addition to Quantum-H, a seasonal application of Agri-Plus® – a 70% granular leonardite blend – will provide you with an abundant supply of humic acids to improve soil structure throughout the growing season.



3-6 litres per hectare in enough water to provide thorough coverage or 1000 litres of water, reapplying 2-6 times during the growing season


Apply 6-10 litres of Quantum-H per Hectare. (preferably apply over multiple applications). It may be water run, side dressed, mixed with soil applied liquid nutrients or sprayed directly on the soil.


Apply 2-4 litres of Quantum-H per Hectare mixed with the liquid nutrients. Add Quantum-H to a partially filled tank. Include Quantum-H with every application.


Smaller amounts of Quantum-H may be applied in every irrigation instead of only one application. Quantum-H is not corrosive to pipes or nozzles and will not plug them.


Mix 4 litres of Quantum-H per 750 litres of solution.


FOLIAR SPRAY:      When spraying alone on the foliage, dilute at least 1:20 in water.


600ml per 100 Lt water up to 3.5lt/ha equivalent

Apply every 2 weeks or as required

Orchards & Vineyards

600ml per 100 L water up to 5 L/ha equivalent

Apply every 4 weeks or as required

Ornamentals & Turf

600ml per 100 Lt water up to 3.5 Lt/ha equivalent

Apply every 4 weeks or as required


1 – 3 Lt/ha in 60 – 100 Lt water

Apply as required

Broadacre Crops

0.6 – 2lt/ha in 60 – 100lt water, depending on canopy closure

Apply as required


35ml per 10lt water

Apply as required



6 – 10 L/ha

Apply every 2 weeks or as required

Orchards, Vineyards, Ornamentals & Turf

6 – 10 Lt/ha

Apply every 4 weeks or as required


Dilute 30 ml per 9 L watering can and apply the diluted mix at a rate of 1 litre per square metre or (50-75ml/100m2) in enough water to provide thorough coverage.

Apply fortnightly or as required

Agtech Fertiliser