We can believe that the storage, activation and effectiveness of humic acid on soil nutrients are positively correlated with the amount of humic acid added.
In addition to its use in industry and agriculture, humic acid and sodium humate are used as veterinary drugs and feed additives in some parts of the world, or aquaculture with very good results.
Humic acid, as an important substrate for microorganisms, can provide an organic acid environment and create a good living environment for microorganisms.
Humic acid is a major electron donor (reducing agent) and a major factor determining and controlling soil redox potential and thus has a great influence on many photochemical, chemical, and enzymatic electronic processes in soil.
The acidic functional groups of humic acid exist in the internal structure and react with calcium and magnesium ions in the soil to form an aggregate structure, while the hydrophobic part of humic acid is in the outer layer of the aggregate structure, thus preventing the infiltration of water and the decomposition of soil aggregates.
Sodium humate is a relatively stable natural macromolecular organic matter with an aromatic structure. It is composed of an intermittent network connected by sparse aromatic rings, and there are many voids of different sizes in the structure.
Humic Substances, especially Humic Acid, which accounts for more than 60% of soil organic matter, are the core substance of soil organic matter and play a decisive role in soil fertility.
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