Fulvic Acid
Fulvic acid effect to crop disease resistance
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The fulvic acid product is a black powdery substance, soluble in water, and the aqueous solution is acidic, non-toxic, stable in the natural environment, and easily flocculated in the presence of high-priced metal ions.

Fulvic acid increases the disease resistance of crops

According to domestic and foreign data, fulvic acid has a certain preventive effect on a variety of plant diseases.

Prevention and treatment of wheat gibberellin. According to Ye Meide and other experiments, in the case of the same amount of carbendazim, the treatment of fulvic acid treatment reduced the disease rate by 30% compared with carbendazim alone, and improved the control effect.

Prevention and treatment of sweet potato diseases. According to the results of Chang Zengrong et al. on the control of sweet potato black spot, the rooting of “sodium fulvate decamethyl thiophanate” was better than that of sodium fulvic acid alone; the test showed that sodium fulvate alone Or mixed with methyl thiophanate has good control effect on sweet potato root rot and black spot.

Prevention and control of peanut leaf spot. According to the test results of the prevention and control of peanut leaf spot disease after the combination of fulvic acid and carbendazim, fulvic acid and methyl thiophanate in Baoding Agricultural School, it fully shows that fulvic acid has increased to carbendazim and methyl thiophanate. It has an effect, saves pesticides and reduces costs. It is an ideal pesticide synergist.

Prevention and treatment of cotton blight and verticillium wilt. Wang Shuqi et al. systematically studied the control effect and synergistic effect of fulvic acid salt on cotton blight and verticillium wilt. The test results show that the application methods of irrigation and spraying have obvious control effects on cotton blight and verticillium wilt, and the control of the disease is also improved with the increase of drug dosage or application frequency. Spray 5000 times liquid, once every 10-15 days, need to spray 3 times; root irrigation with 2000 times liquid fulvic acid, 10-15 days once, twice is appropriate. Through two years of field control experiments, the control effect of root irrigation and seed dressing is better than spraying, but root irrigation is not easy to apply, and seed dressing is the most labor-saving and time-saving method, easy to promote.

Prevention and treatment of apple rot disease. According to the research results of the agricultural school in Hengshui area, before the bud sprouting in the middle and late February, the apple rot lesions were scraped off, and the wound was protected with 5,000 times solution of fulvic acid solution, and then applied once every 30-40 days. The results of the investigation showed that the lesions after the cure were basically cured and the recurrence rate of the lesions was very low. According to Xu Xudan and other methods, the use of fulvic acid and the above method to control apple rot disease, the control effect is also good.

Prevention and treatment of iron deficiency yellowing. According to the results of the experiment of yellowing disease such as sea bream, apple, pear and tomato by the Institute of Atomic Energy of Chinese Academy of Agricultural Sciences and Lu Xin, iron fulvic acid is an ideal drug for preventing iron deficiency yellowing, which is not only better than sulfate Iron and organic iron chelating agent, and low cost, safe to use, not easy to produce phytotoxicity, can improve product quality and quality.

The fulvic acid is not magical, but it is creating magic. It is a precious wealth left by nature for hundreds of millions of years. There is no chemical equation for complexity, and artificial can not be synthesized at all.

Soluble Humic acid solution
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Humic acid is a plant and animal remains, mainly plant remains, a type of organic matter produced and accumulated by microbial decomposition and transformation, and a series of geochemical processes. Its total amount is astonishingly large, counting trillions of tons. Rivers, lakes and seas, soil coal mines, most of them have traces on the surface. Because of its wide existence, it has a great impact on the earth, involving carbon cycle, mineral migration accumulation, soil fertility, and ecological balance. The total amount of humic acid contained in the soil is the largest, but the content in the soil is less than one percent on average, and the total amount contained in the brackish water is not small, but the concentration is lower.

Humic acid is a bioactive organism. An organic carrier composed of a plurality of functional groups is also an intermediate substance having a metabolic function of plant respiration and photosynthesis, so that it has a large capacity and can be combined with various substances. Humic acid and pesticides are mainly combined by means of ionic bond, hydrogen bond, proton transfer, electron transfer, complexation, etc., and a new type of pesticide polymer complex is produced. This is humic acid environmental protection pesticide. Research and practice have shown that humic acid can be combined with insecticides, fungicides and herbicides to enhance the efficacy and reduce toxicity.

The specific performance is:
—— Solubilization: Humic acid can act as a surfactant. The surface tension of the metal salt is lower than the surface tension of water. It can produce obvious dispersion and emulsification effects on pesticides and improve the solubility of soluble pesticides.

—— synergism: humic acid can enhance the absorption of pesticides by plants, improve the biological activity of pesticides and plant growth regulators, and significantly improve the effects of pesticides;

——Slow release effect: Humic acid has a significant inhibitory effect on the decomposition rate of pesticides, and the greater the amount of humic acid, the slower the speed;

  • Detoxification: Humic acid can inactivate the activity of pesticide-toxic enzymes in organisms, stimulate the activity of enzymes that antagonize pesticides, and alleviate and reduce the toxicity of pesticides.

As a new type of fertilizer, organic-inorganic compound fertilizer is becoming the development direction of ecological agriculture fertilizer in the 21st century. Here we mainly discuss the application of humic acid in the fertilizer in agriculture.

A. The use of humic acid can change the physicochemical properties of soil with high salt content, excessive alkalinity, high soil particle dispersion and poor soil structure, promote the formation of soil aggregates, and make it into a good state, thus plant root growth. Development creates good conditions.
B. Application of humic acid can loosen the soil of the ploughed soil, destroy the accumulation of salt, reduce the salt content of the topsoil, play a role of salt separation, increase the emergence rate, reduce weak seedlings, dead seedlings, and make plants grow healthily.
C. Humic acid has a high cation conversion amount, which is more than 10 times higher than that of ordinary soil. After being applied to the soil, the adsorption capacity of the soil to the anions is significantly increased, and the surface salt content is reduced.
D. The pH value of saline-alkali land, especially alkaline soil, is too high (above 9.0), which directly harms crop growth and even causes death. In addition, the high pH value also affects the phosphorus, iron, manganese, boron, zinc and other nutrients in the soil. Effectiveness. The pH value of humic acid is 6.8, which can neutralize alkaline, reduce the damage of alkaline to soil and plants, improve the low-yield saline-alkali land, and create good soil conditions for crop seedling growth.
Detailed explanation:
      1. Effects on soil microbial flora and enzyme activities
Soil microbes are one of the important reasons for the composition of soil. They have an important influence on the transformation of soil organic and inorganic matter, the circulation of nutrients, and the formation of bioactive substances, an enzyme, which are indispensable in the process of plant life. The fact that humic acid can promote soil microbial activities, increase the number of soil microbes, and enhance the activity of soil enzymes has been confirmed by a large number of research data at home and abroad. It is also agreed that the application of humic acid makes aerobic bacteria, actinomycetes, and fibers. The number of decomposing bacteria increased more. It is beneficial to accelerate the mineralization of organic matter and promote the release of nutrients. Therefore, the application of humic acid can control the root disease, yellow leaves, leaflets and blight of fruit trees.

  1. Humic acid has synergistic effect on chemical fertilizer and micro-fertilizer

With the rapid development of China’s chemical industry, the production and application of chemical fertilizers continue to increase, and the application of chemical fertilizers has undoubtedly played an important role in the development of agricultural production, but with the increase in the application of chemical fertilizers, the cost of fertilizers has increased. Problems such as lowering the rate are gradually reflected. At present, the interest rate of nitrogen fertilizer in China is 30-50%, the utilization rate of phosphate fertilizer is 10-20%, and the utilization rate of potassium fertilizer is 50-70%. How to improve the utilization rate of fertilizer has become a research topic that the world attaches great importance to. There are many ways to increase the utilization rate of chemical fertilizers. At present, the most effective result is to use biologically active additives to activate humic acid, enhance its chemical activities and biological activities such as chemical, adsorption, chelation, microbial reproduction, etc. to effectively improve the utilization rate of chemical fertilizers.

  1. The effect of humic acid on the growth and development of crops

Humic acid contains a variety of functional groups, and the activated humic acid becomes a highly effective biologically active substance, which has a stimulating effect on crop growth and physiological metabolism in the body. This characteristic is not possessed by common fertilizers, and the activated humic acid has high bioactivity. Substances are soaked in a certain concentration, soaked in roots, rooted, sprayed, watered, and made as a base fertilizer, which have obvious stimulating effects on various crops. The comprehensive performance is in the promotion of root development, and has a good influence on crop yield and quality factors.

A. Early germination, high emergence rate

The application of humic acid can accelerate seed germination and increase the emergence rate, especially in early spring and low temperature (generally germination 1 to 3 days earlier, and the emergence rate is increased by 10 to 30%).

B. The root system is developed and the absorption is strong.

Humic acid has a special promoting effect on the root development of crops. Many agricultural personnel call humic acid a “root fertilizer”. The effect on roots is mainly to stimulate the division and growth of root meristem cells and make seedling roots. Fast, secondary roots increase, roots increase, root elongation, and ultimately the ability of crops to absorb water and nutrients is greatly enhanced.

C. Effects on the growth of above-ground vegetative bodies

On the basis of sufficient nutrient supply, the stimulating effect of humic acid can make the above-ground part of the vegetative body grow vigorously. It is manifested in plant height, stem diameter, number of leaves and accumulation of dry matter.

D. Impact on production and composition factors

Humic acid has different yield and composition factors for different crops. It has a good effect on grain crops, spikes, grains and 1000-grain weight. It has good effects on tillering and reducing openness in the early stage.

  1. Effects on crop physiological metabolism and enzyme activities

When humic acid enters the plant, it stimulates the plant, mainly in the increase of respiratory intensity. The increase of photosynthesis, the activity of various enzymes is enhanced, so that the fruit is colored and matured in advance, and high yield and high value are obtained (economic crops) Should be marketable).

  1. Improve crop drought resistance

The application of humic acid can reduce the stomata opening degree of the plant leaves, reduce the transpiration of the leaves, reduce the water consumption, improve the water condition of the plants, and increase the water content of the leaves. This lays a foundation for the ear and the seed, and the humic acid Application can also increase the content of chlorophyll and the normal progress of photosynthesis, and is very important for the accumulation of substances and the increase of 1000-grain weight.

  1. Enhance the cold resistance of crops

The application of humic acid has obvious effects on early spring breeding in the south and cold resistance in northern wheat. In the south of China, early rice cultivation, often encounters low temperature and rainy weather, often occurs dead seedlings, rotten seedlings, the application of humic acid, the ground temperature is improved, the quality of seedlings generally improved. Southwest Agricultural University found that winter wheat in most parts of northern China, due to frequent cold springs, wheat seedlings are generally affected by winter damage, the application of humic acid, effectively improve the cold resistance of wheat, and reduce the freezing damage to varying degrees.

  1. Control plant diseases and insect pests and immunity

Humic acid can effectively control underground pests and diseases and plant diseases and pathogens. According to a large number of research experiments in Beijing, Sichuan and Jiangxi, humic acid has obvious effects on the control of fruit tree rot, leaflet, yellow leaf disease, cucumber downy mildew, pepper anthracnose and viral disease, Shanxi. The two-year cucumber test of the Xinyi Vegetable Research Institute showed that the application of humic acid did not use any pesticides, but the cucumber did not have any major pests and diseases from beginning to end.

Since the first humic acid has been obtained from the soil in 1786, it has been more than 200 years old. The first to pay attention to and study humic acid is the soil scientist. If the “Wu Jin San” compiled by Li Shizhen’s “Compendium of Materia Medica” in the Ming Dynasty’s famous medical scientist in the Ming Dynasty is a case, the application of humic acid has been used for more than 400 years, which fully illustrates the humic acid. Ancient history.

At present, the country is determined to control the ecological environment and improve people’s production and lifestyle, which provides a big stage for the development and application of humic acid. Because humic acid has special functions, it will play its unique role in sand control, soil improvement, urban sewage treatment, ecological agriculture construction, production of green, organic products, development of medicines, and health care products.

Humic acid and Potassium humate
Potassium humate and Humic Acid
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Potassium humate and Humic Acid as strong base weak acid salt formed by the exchange of weathered coal and potassium hydroxide. According to the ionization theory of the substance in aqueous solution, after the potassium humate is dissolved in water, the potassium will be ionized and exist as potassium ions alone. The humic acid molecule will combine the hydrogen ions in the water and release the hydroxide ions, so the potassium humate solution Alkaline.

 Potassium humate can be used as an organic fertilizer. If it is brown coal humate phytate, it has certain anti-flocculation ability. It can be used as drip irrigation in some areas with low water hardness or with other non-strongly acidic nitrogen and phosphorus. Elements such as monoammonium phosphate are used in combination to improve overall use.

  Humic acid macromolecules enter the soil and are not substantially absorbed by plants. So where is the role of potassium humate? Let me first say a little about the multifaceted role of humic acid in subsequent articles.

 Today I want to say that potassium humate is used for the electronic conversion and degradation of pollutants and harmful substances. Humic acid has obvious reducing ability and is closely related to the redox reaction of metals and organic substances in the environment.

The redox characteristics of humic acid are due to the presence of functional groups such as ruthenium and phenol, especially the ruthenium group plays an important role in electron transport.

The reduced ruthenium group is the main source of humic acid reduction ability. The reducing microorganism converts the oxidized humic acid into a reduced form by electron transfer, and the reduced humic acid can reduce heavy metals such as Cr(VI), Hg(II), V(V) and radionuclides such as U(VI) and aromatic compounds. As a substance, humic acid acts as an electron transporter in this process and plays an important role in the transformation and degradation of pollutants in nature.

 Humic acid can form a complex with Fe(III) Fe(II), which can directly reduce Fe(III) to Fe(II) in the absence of microorganisms, which has an important influence on iron cycle in soil and natural water. . The combination of humic acid and iron ions reduces the redox potential of Fe(III) Fe(II), accelerates the reduction rate, and allows the reduction to occur in a wide range of p H .

 Potassium humate has a large price difference due to the difference in potassium oxide content. Generally, the reaction ratio of weathered coal or lignite to potassium hydroxide is 10:1-1.5, and the content of potassium oxide in the obtained potassium humate is generally about 15%, and there are differences depending on the content of humic acid.

Then, is potassium humate in the market of 4, 6, 8, 10, 12 potassium oxide just a little less potassium hydroxide in the reaction process? It can be understood in this way, but it should be known that if the amount of potassium hydroxide is small according to the above ratio, weathered coal or lignite cannot be completely reacted.

Therefore, sodium hydroxide is used to supplement the lack of alkali of potassium hydroxide. the amount. Therefore, sodium humate in less than 15 potassium oxides contains sodium ions, and potassium humate in 4 or 6 potassium oxides, the sodium ion content is higher than the potassium ion content.

 So what I want to say is that when buying potassium humate, there are two things to consider. The first one is the content of potassium oxide, which must be tested and tested.

Because many manufacturers have problems with potassium oxide content, they will deceive customers by saying less and having a price advantage. So don’t be cheap, quality and price must complement each other. The second is water insoluble matter. I have tested a manufacturer’s water insolubles at 25%, and invisible one-fourth of such products (substantially containing some coal, silicate, etc.). This kind of money is a bit sloppy.