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Home  Collectibles Garden and Outdoors Should You Be Using Organic Acids?
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Should You Be Using Organic Acids? |
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Written by TomSharp
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Wednesday, 24 February 2010 |
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Over time, a substantial amount of curiosity has been triggered in organic acids and their use in agriculture. Organic acids are produced from ancient deposits of organic substance that have decomposed for many generations. This material is decomposed a good deal more than the humus that is so preferred in the soil.
by TomSharp
Over time, a substantial amount of curiosity has been triggered in organic acids and their use in agriculture. Organic acids are produced from ancient deposits of organic substance that have decomposed for many generations. This material is decomposed a good deal more than the humus that is so preferred in the soil.
This type of soil is generally varies in color from a rich chocolate color to black and is usually near coal deposits and begins as peat, brown coal, soil, or leonardite. it is a vastly large and complex molecule, at the molecular level, lacking any particular formation. Organic acids can be categorized into three dissimilar parts: humic, humin and fulvic.
Humic acid is the most commonly available form of organic acid and contains humic, fulvic and humin fractions. This is usually the raw product that has been mined, crushed and screened for proper size. The name humic "acid" is actually a misnomer because it has pH of 11 or higher. Most lawn and garden professionals will refer to humic acid as "humate". It comes in a dry granular form as well as liquid. Dry humic can be added to most dry fertilizer blends at a rate of 20 - 40 pounds per acre.
When blended with dry phosphate fertilizer, humic attracts microbes to the prills and enhances degradation of the waxy protective coating. This speeds up the rate at which the nutrients become available for plant use. Humic also acts like a chelating agent to protect phosphate from being tied up in the soil. This happens because humic has an enormous number of binding sites where nutrients can attach themselves and are protected until needed by a plant.
Liquid humic is commonly added to liquid nitrogen (UAN 32) or to liquid phosphate (10-34-0). UAN 32 is a very popular fertilizer used to top-dress winter wheat in northern Utah and Southern Idaho. The addition of humic to the fertilizer will minimize burning of the leaves and reduce the amount of nitrogen that can volatilize. It is not uncommon to use over 80 available units of nitrogen with the addition of humic on irrigated winter wheat. This is normally done as early as possible in the spring and usually in conjunction with an herbicide application using a ground rig.
Fulvic acid is beyond doubt acidic, containing a pH below 7 and is fairly easy to extort from the raw humic. It is generally a transparent to amber colored liquid and the actual fulvic ratio can differ between manufacturers. Quite a few herbicides and foliar nutrients act in response to the addition of fulvic to the spray tank. Fulvic, in general, is extremely active in the plant and the soil but is only a small proportion of the general humic.
Even though they are the most difficult to extract, Humins are also the most stable in the soil and offer more direct plant activity when compared with fulvic. Given that they are so hard to extract, the best method to apply humin to the soil is via the full humic acid in its raw form.
Organic acids affect the soil by elevating the H2O holding capacity, gathering stable organic matter to the soil, and increasing the nutrient holding capacity. When mixed directly to the nutrients being applied, organic acids intensify effectiveness and are eco-friendly. A detailed study completed by the University of Idaho, proposes that organic acids offer an economic return to growers in virtually every trial.
About the Author:
Tom Sharp is a Qualified Crop Adviser that is an expert in helping growers generate efficient and environmentally sound crops. Tom suggests visiting Intermountain Farmers Association for a wide range of effective agricultural supplies.
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