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Due to humic acid having many times higher than soil salt exchange capacity, it can absorb a large number of ammonium ions, so as to reduce the loss.

Fulvic acid can affect the properties of soil and promote the formation of a more stable aggregate structure.

Water-soluble fertilizer is regarded as a new favorite fertilizer. Water-soluble fertilizer containing humic acid is a hot spot in the production of fertilizer enterprises.

Humic acid is a macromolecular organic polymer with various chemical structures and various active functional groups. It plays an important role in the biological carbon cycle on Earth.

Humic acid is an organic macromolecular colloid, which has a strong function of water absorption and storage.

The action of humic acid is divided into three aspects: physical action, chemical action, and biological action.

The composition and properties of humic acid determine its broad application prospect in environmental protection.

There are about 4 trillion tons of humus (humic substance) on the earth and it is an important part of the soil. Humic acid is the most active component of soil humus, which plays a key role in the soil's formation, properties, and fertility.