Humic acids - the fraction of humic substances that is not soluble in water under acidic conditions (pH < 2) but is soluble at higher pH values. They can be extracted from soil by various reagents and which is insoluble in dilute acid. Humic acids are the major extractable component of soil humic substances. They are dark brown to black in color.

Fulvic acids - the fraction of humic substances that is soluble in water under all pH conditions. They remains in solution after removal of humic acid by acidification. Fulvic acids are light yellow to yellow-brown in color.

Humin - the fraction of humic substances that is not soluble in water at any pH value and in alkali. Humins are black in color.

Many investigators now belive that all dark colored humic substances are part of a system

of closely related, but not completely identical, high - molecular - weight polymers. According to this concept, diferences between humic acids and fulvic acids, can be explained by variations in molecular weight, numbers of functional groups (carboxyl, phenolic OH) and extent of polymerization.

The postulated relationships are depicted in figure , in which it can be seen that carbon

and oxygen contents, acidity and degree of polymerization all change systematically with increasing molecular weight.
The low - molecular - weight fulvic acids have higher oxygen but lower carbon contents than the high - molecular - weight humic acids. Fulvic acids contain more functional groups of an acidic nature, particulary COOH. The total acidities of fulvic acids (900 - 1400 meq/100g) are considerably higher than for humic acids (400 - 870 meq/100g).

Another important difference is that while the oxygen in fulvic acids can be accounted for largely in known functional groups (COOH, OH, C=O), a high portion of the oxygen in humic acids seems to occur as a structural component of the nucleus.
 

Electron microscope observations revealed the humic acids of different soils to have polymeric structure, appearing in form of rings, chains, and clusters. The sizes of their macromolecules can range from 60 - 500 A, what is mainly decided of by the occuring humification process, which also exerts an influence on their spatial sructure. Compared to other taxonomic units, the polymers of podsol- earth soils showed to most loose structure.

ORGANİC FERTILIZERS AND PRODUCTIONS

 

LIQUID OR SOLID ORGANIC FERTILIZER PRODUCTION is not very complicated. For the production, there is need usable and tried a formulation, raw materials and mixing tank. For raw materials to be used, quantities to be used and ingredients usage rankings, you should look into this formulation. Therefore, formulation and productıon methods of ORGANIC FERTILIZERS are important. If you have not a good formulation, you cannot make healthy and  efficient production of any fertilizer.

 

If you need any manufacturing formulations and production methods about

any liquid and solid organic fertilizer,


ORGANIC

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FORMULATIONS

ENCYCLOPEDİA

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This encyclopedia has many formulations about organic soil conditioner,humic acid productions,compositions,fulvic acid manufacturing,organic fertilizers,animal manure,amino acid organic fertilizers, organomineral powder fertilizers,organomineral liquid fertilizers productions,liquid root growth fertilizers formulas,granular root growth fertilizers,seaweed organic fertilizers,wermicompost fertilizers formulations,gel organic fertilizers,organomineral gel fertilizers manufacturing and any organic fertilizers etc.

All organic fertilizers in the encyclopedia are producible easily.You need no help and no technıcal support. The encyclopedia is enough to produce organic fertilizers  itself.

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FORMULATIONS

ENCYCLOPEDIA

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