Soil fertility is largely determined by the content of humic acids, which affect various processes in the biosphere, including chemical migration. elements in the soil. Humates are a water-soluble form of humic acids.
The treatment of contaminated soils with humates deactivates pollutants and stimulates the development of microflora. Humates cope with soil pollution with both heavy metals and petroleum products.
The humate molecules contain carboxyl and hydroxyl groups, which actively interact with ions of any metals and form insoluble salts. Multivalent “heavy” metals, due to additional coordination bonds, also form strong complexes with humates. Due to this ability, humic acids retain metals in the form of insoluble and safe compounds.
Humates cope with petroleum products using a hydrophobic framework in their structure. Along with binding properties, humates have pronounced surface-active properties. The treatment of soils contaminated with oil products with humate ensures the efficient sorption of hydrocarbons and the activation of microbiological processes. As a result, accelerated degradation of petroleum products and soil cleaning occurs. At the same time, the basic agrochemical properties are improved, and soil fertility is increased. Under the influence of humates, the water holding capacity of the soil increases, and the content of phosphorus available to plants increases. This shows that there is not only soil cleaning, but also the restoration of its basic properties.
An important point – humates do not cause secondary pollution of the soil, unlike some other preparations. This greatly simplifies their application.
Precipitation of heavy metals and hydrocarbons
Stimulation of the vital activity of microorganisms
Increased soil water retention
Plant growth stimulation
Recovery of the humus layer of the soil
Ways to use humates
In the complex of measures for the biological reclamation of oil-contaminated lands, Humate Baikal potassium is used in powder form. It is possible to introduce the drug into the soil both in dry form and in the form of a prepared aqueous concentrate.
Reclamation of technogenic sand substrates
Humates are used as part of clay solutions from bentopowders and polymers to strengthen man-made bulk substrates. Together with the processing of substrates with a bentonite-humate solution, it is convenient to introduce seeds of perennial herbs, microbiological and mineral fertilizers. The technogenic landscape turns green already two weeks after treatment with bentonite-humate solutions with simultaneous sowing of herbs. 2-3 years after sowing with bentonite formulations, stable sodding and strengthening of technogenic surfaces occurs.
Contaminated soil after firing is an inert lifeless substrate. It is important to enrich such a soil with nutrients, organic matter and microflora. For such purposes, Gumat GK is suitable. The humic acids contained in the preparation will help decompose the toxicants remaining in the soil and stimulate the development of microflora.
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Report of the Research Institute of Agricultural Sciences of Irkutsk on the use of Humate + 7 in conjunction with plant protection in barley
Effect of Humate-80 on the productivity of meadow fescue and the properties of gray forest soil, SIFIBR
Determination and evaluation of the effectiveness of bioactive concentration of humates with foliar application in barley