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Numerous scientific experiments with humates obtained naturally biologically without the use of any chemical additives (such humates include coprolites-humates formed as a result of the vital activity of worms and humates obtained through the microbiological vital activity of special microbes) have shown that they can not only dramatically increase the yield of any crop, but also to restore lifeless lands, to reclaim areas polluted with oil products, heavy and radioactive metals and also saline soils.
Our company offers a method of producing humates by processing fresh chicken manure by certain strains of mutagenic microbes grown in reactors of BGU VRS type under anaerobic conditions.
They have been found to be effective in reclaiming saline or oil-contaminated soils.
Saline soils are those that have high levels of soluble salts, while oil-contaminated soils have been polluted with petroleum hydrocarbons.
When biogumates are applied to saline soils, they can help to reduce the levels of soluble salts. This is because biogumates can bind to the salts and prevent them from leaching into the soil. As a result, the soil becomes less saline and more suitable for plant growth.
In oil-contaminated soils, biogumates can help to break down the petroleum hydrocarbons. Biogumates contain natural enzymes that can degrade the hydrocarbons, making them less toxic to plants and other organisms in the soil. In addition, biogumates can also help to bind to the hydrocarbons, preventing them from leaching into the groundwater.
Overall, the use of biogumates for reclaiming saline or oil-contaminated soils is a promising approach that is both environmentally friendly and cost-effective. By reducing the levels of salts and petroleum hydrocarbons in the soil, biogumates can help to restore the health and productivity of these damaged soils.
The application of biohumates for the recultivation of saline soils
Easily soluble salt (sodium chloride at a dose of 0.5 kg/m2) was covered with sand mixed with different doses of Solid Biohumus Fertilizers (SBF), hereinafter referred to as humates, per 1 ha (0, 30, 60 and 90 t/ha).
Then, "Chepelev's Memory" sort barley was sown. 500 seeds of "Chepelev's Memory" sort barley were sown on each plot.
Barley sprouts were observed as the root system developed and reached the saline horizon, but the plants on the control plot began to die off and survived only at the periphery of the plot. This was not observed on the plots with humates, and there was a distinct difference in the barley yield. Barley grew better on the plots with the maximum application of humates.
Effectiveness of humates application on saline soils at the dose of 0.5 kg/m2
Effectiveness of humates application on saline soils at the dose of 0.5 kg/m2
A graph shows the yield of barley grown on soils that were artificially made saline. The soil was mixed with sand and a small amount of sodium chloride (0.5 kg per square meter). Different amounts of solid biohumus fertilizer (SBR), also known as humates, were added to the soil in doses of 0, 30, 60, and 90 tons per hectare. The yield of barley was measured and is shown in the graph.
A diagram shows Number of plants and weight of grains per a plot on soils that were artificially made saline. The soil was mixed with sand and a small amount of sodium chloride (0.5 kg per square meter). Different amounts of solid biohumus fertilizer (SBR), also known as humates, were added to the soil in doses of 0, 30, 60, and 90 tons per hectare.
Application of humates on saline soils eliminates the toxic effect of readily soluble salts and increases barley yield from 0,03 t/ha in the control variant to 0,9 (60 t/ha) and 1,96 t/ha (90 t/ha).
Agrochemical characteristics of the mobile form of plant nutrients (by Kirsanov) in the 0-15 cm layer
Agrochemical characteristics of the mobile form of plant nutrients (by Kirsanov) in the 0-15 cm layer
The graph depicts the humus concentration in soils that were made saline artificially. The soil was mixed with sand and a small quantity of sodium chloride (0.5 kg per square meter). The experiment involved adding different doses of solid biohumus fertilizer (SBR), also known as humates, to the soil in amounts of 0, 30, 60, and 90 tons per hectare.
The diagram depicts the Concentration of mobile form of plant nutrients in soils that were made saline artificially. The soil was mixed with sand and a small quantity of sodium chloride (0.5 kg per square meter). The experiment involved adding different doses of solid biohumus fertilizer (SBR), also known as humates, to the soil in amounts of 0, 30, 60, and 90 tons per hectare.
Thus, the application of humates causes an increase in the content of humus and mobile plant nutrients in the applied soil.
Cationic-anionic composition of aqueous extract from the plot soils (mg-e/100g soil)
Cationic-anionic composition of aqueous extract from the plot soils (mg-e/100g soil)
Mass of dry residue of aqueous extract decreases with increasing the dose of biofertilizer from 0.307% in the control variant to 0.282% in 90 t/ha TBU variant. The conductivity of the aqueous extract decreases, indicating a decrease in readily soluble ions, which are toxic to plants. The content of the sum of salts toxic to plants in the variants of the experiment consistently decreases with increasing the dose of humates.
Thus, the application of humates on saline soils gives a positive effect when growing crops and reduces the salt content in the soil.
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