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Extracted humic acid not a single acid; rather, it is a complex mixture of many different acids containing carboxyl and phenolate groups so that the mixture behaves functionally as a dibasic acid or, occasionally, as a tribasic acid. Commercial humic acid used to amend soil is manufactured using these same well established procedures.
Heat is used to increase the solubility of humic acids and hence more potassium humate can be extracted. The resulting liquid is dried to produce the amorphous crystalline like product which can then be added as a granule to fertilizer. The potassium humate granules by way of chemical extraction lose their hydrophobic properties and are now ...
Two easy ways to ensure the grass is mowed properly is, according to Cannon, to know the turf type and how much to mow and use a sharp mower blade to avoid tears or rips, which are basically open ...
Soil consists of both mineral (inorganic) and organic components. The organic components can be subdivided into fractions that are soluble, largely humic acids, and insoluble, the humins. Humins make up about 50% of the organic matter in soil. [1]
Choosing a fertilizer blend. As a general rule of thumb, most cool season grasses require 2 to 4 pounds of nitrogen per 1,000 square feet each year, and a majority of this nitrogen should be ...
When imazaquin is applied to crops its main interaction is with soil humic acids. It was found that the rate at which imazaquin aggregates on soil humic acids was most affected by the environmental pH. Imazaquin has shown greater adsorption at lower pHs. Adsorption is greatest at a pH nearest the pKa of the carboxylic group of imazaquin.
Use of bio-solids in agricultural production is less common, and the National Organic Program of the USDA (NOP) has ruled that biosolids are not permitted in organic food production in the U.S.; while biologic in origin (vs mineral), sludge is unacceptable due to toxic metal accumulation, pharmaceuticals, hormones, and other factors.
Humic acids can fix both anions and cations and eliminate them from root zones. [ citation needed ] Planting species that can tolerate saline conditions can be used to lower water tables and thus reduce the rate of capillary and evaporative enrichment of surface salts.