Organic Humic Acid

Organic humic acids play an important role in soil accumulation and ecosystem functioning; therefore, more research is needed to harness the unique properties of organic humic acids in order to promote soil sustainability and protect the Earth's environment.

 

 

Concept

Organic humic acids are complex molecular systems composed of plant and animal remains, microbiomes and chemical synthetics, usually found in soils or sediments. depending on their differences in chemical properties, organic humic acids can be classified into two categories: humic acids and protein acids.

 

1. Mechanism of formation

Organic humic acids are produced through the oxidation of soil nutrients and those biodegraded by bacteria and other microorganisms. organic acids are easily formed on the soil surface near the root zone of plants by the action of soil microorganisms, because microorganisms can break down organic matter secreted by plant roots into elements such as carbon, hydrogen and oxygen, and then use the remaining energy in them to grow. in the process of microbial decomposition, organic matter is oxidized to CO2 and water, and organic humic acids are also formed. 

 

2. Function

Organic humic acids have a variety of ecological functions in soil, including:

 

Water storage and air retention

Due to the high complexity and very small molecular weight of organic humic acid, it can form a stable pore structure in the space between soil particles, increasing the water retention capacity of the soil and improving soil aeration at the same time.

 

Stress relief

Organic humic acid can also bind toxic substances in the soil to interact in different biological groups and chemical molecules, thus reducing toxicity to plants while improving nutrient uptake efficiency.

 

Soil improvement

Organic humic acid provides organic carbon to the soil, thus promoting the accumulation of soil organic matter, while reducing soil compaction and improving soil texture, and promoting the maintenance of soil biodiversity.

 

 

Organic humic acid is widely used as a fertilizer in plant growth substrates to promote plant growth and increase yields, especially in desert areas, where it can be used to promote the growth and recovery of desert plants, thereby changing the local ecological environment and water balance.

In addition, there are many other applications - such as for oilfield carbonate rock dissolution appreciation, improving groundwater quality, etc. - and will receive more attention in the future due to its broad range of sustainable applications. 

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