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1 Free seed pack with order: Heirloom Tomato, Arugula or Cilantro
Seeds for the 2015 growing season

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HumAcid: 100% Natural, Many Uses!

What is Humic Acid?
Humic acid comes from vegetation deposits that have heated up, compacted and slowly carbonized to become coal. This natural process exuded acids and esters from the vegetation on top of the coal deposits. The liquids eventually dried to form what is known as Leonardite shale, a lignite deposit. It was named for North Dakota's very first state geologist Dr. A.G. Leonard. 

What can Humic Acid do for plants and soil?
Humic acid is a growth stimulant and a chelating agent. It will free up nutrients in the soil making them readily available for plants to take up. This is especially useful when dealing with clay soils as clay can "bind" nutrients preventing plants from taking them up. It naturally increases the microbial activity in the soil which in turn produces a larger, healthier root mass. Humic Acids are the active soil fractions of stable soil humus. These structures have the ability to influence many reactions in the soil, enhancing the soil’s performance, including cation exchange capacity, soil structure stability, water retention, microorganism activity, and a buffering action. By this buffering action the toxic effects that inorganic fertilizer and soil salts, that may be in your soil, are greatly reduced. And there is more:

  • Increases a plant's tolerance for drought
    Oxygenates the soil & improves water penetration

  • Long term use results in better soil structure, organic content
    and it even helps flush salts out of the soil

  • HumAcid can be used as a seed soak
  • Increases production and quality of yields
    Seedlings are more vigorous

  • Supplies biologically active carbon that supports surface leaf dwelling microbes and provides an excellent condition in the soil itself for the rhizosphere. The rhizosphere is the area around the plant roots.

  • HumAcid is non-toxic and completely natural

What can Humic Acid be used on?
Humic acid can be used on any plants: trees of all kinds, lawns, shrubs, house plants, vegetable and flower gardens. For transplanting use a root dip or soak. Spray right on the soil to naturally build the humus content.

How is it used?
It can be sprayed directly into furrows prior to seeding for improved germination.
Use it to spray on top of the soil before planting. It is not necessary to till it in. After planting it can be applied in the same manner.
Mix in with your regular foliar fertilizing applications.
Can be used with organic pesticide applications as a surfactant AKA spreader-sticker.
Can be used on it's own with just water as a foliar spray to stimulate growth at any stage of plant development.

It is compatible with Golden Harvest Natural Fertilizer and most other fertilizers. Can be used with enzymatic and biological formulas too.

16 ounce HumAcid:
$7.50 each

32 ounce HumAcid:
$12.50 ea.


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HumAcid can help you to get the absolute best performance when combined with your foliar fertilizer applications!

For use in greenhouses, nurseries, orchards, gardens even for houseplants!


1 pint of HumAcid makes 32 gallons of spray

1 quart of HumAcid makes 64
gallons of spray

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