Humic Acid Fertilizer Granular

Humic Acid Fertilizer Granular

Humic Acid Fertilizer Granular. Humic substances (HS) are organic compounds that are important components of humus, the major organic fraction of soil, peat, and coal (and also a constituent of many upland streams, dystrophic lakes, and ocean water). For a long era in the 19th and 20th centuries, Humic substances were often viewed through a lens of acid–base theory that described humic acid (HA), as organic acids, and their conjugate bases, hamates, as important components of organic matter. Through this viewpoint Humic acids for sale were defined as organic substances extracted from soil that coagulate (form small solid pieces) when a strong-base extract is acidified, whereas fulvic acids (FA) are organic acids that remain soluble (stay dissolved) when a strong-base extract is acidified. The remaining alkali-insoluble part of humus would be termed humin.

Humic Acid Fertilizer Granular

Humic matter in isolation is the result of a chemical extraction from the soil organic matter or the dissolved organic matter and represent the Humic molecules distributed in the soil or water. A new understanding views hemic substances not as high-molecular-weight macropolymers but as heterogeneous and relatively small molecular components of the soil organic matter auto-assembled in supramolecular associations and composed of a variety of compounds of biological origin and synthesized by abiotic and biotic reactions in soil. It is the large molecular complexity of the soil humeome that confers to Humic matter its bioactivity in soil and its role as plant growth promoter.

Humic Acid Fertilizer Granular

The academic definition of Humic substances is under debate as “humification” becomes unsupported as a special case, leading to some radical definitions expanding HS to encompass all difficult-to-characterize soil organic matter, at the cost of clarity. There is also a call to forgo the traditional alkali extract method and directly analyze the soil, but its complexity prevents widespread adoption in agriculture. In practice, this means some sources may apply a traditional acid-base analysis to compost, then state the results in term of “Humic substances”.

Humic Acid Fertilizer Granular

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