Plant Doctor Humic Acid Powder
Plant Doctor Humic Acid Powder

Plant Doctor Humic Acid Powder

Regular price $19.95 $0.00
Tax included.
  • Humic Acid (soluble powder)
  • 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.

    Soluble Powder

    Granular - insoluble

    Foliar: mix 1-3kg/1000 Litres water, fortnightly

    Soil/Fertigation 5-10kg/1000 Litres water, apply fortnightly

    Salt problems 1-3kg/1000 Litres water, apply fortnightly

    Home Garden 10-30gm/10 Litres water, weekly

    New plants 20gm/Litre water, weekly

    Vegetables: 50-150kg/1000㎡

    Fruit: 150-200kg/1000㎡

    Cereals: 75-150kg/1000㎡

    Industrial Crops: 75-200kg/1000㎡

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