Humic Acid Reduces the Toxicity of Organic Matters in Polluted Soil
Another soil destroyer is organic pollutants. The main source is petroleum and pyrolysis products, pesticide and organic synthetic products.
Humic acid can be fixed in the soil by increasing the adsorption and stability of organic matter, to deactivate pollutants, or induce the photodegradation and chemical degradation of active free radicals of organic matter, so as to achieve the effect of "detoxification" of soil.
The accumulation and enrichment of heavy metals bring great pressure to the soil, most of its forms in soil are chelated or complexed. Humic acid is rich in a large number of ions. It can replace the heavy metal ions in chelating and complexing states with its own ions, so that heavy metals are not easy to be absorbed by crops, and crops are not easy to be polluted by heavy metals.
Fulvic acid has lower molecular weight, which is beneficial to the activation, capacity expansion and desorption of heavy metals.
Humic acid has large molecular weight and the function of reduction and adsorption. It can reduce the availability of heavy metals.