What are Humic Acids? - HUMINTECH - Humintech GmbH
The best source of humic acids are the sedimentation layers of soft brown coal, which are referred to as Leonardite. (pic.1.2, pic.1.3) Humic acids are found in high
Leonardite & Humic acids | enviromgreen
Leonardite is the mineral remains of prehistoric vegetation that lived during a period of optimal growth on earth. Leonardite has been used as a fertilizer and soil enhancer for centuries due to the high content of naturally occurring humic – and fulvic acids
Glossary Leonardite - Humintech GmbH
Unlike other organic sources of humic acid, Leonardites are highly bioactive due to their molecular structure – up to five times more than common humus
Leonardite: A mined source of humic acid
Presently, pine bark is used to amend soils to increase organic matter and lower pH. ... To precipitate the humic acid, the solution is adjusted to pH 1 with a mineral acid, e.g. H2SO4. Three Leonardite products, two humic acids and one unextracted Leonardite, were analyzed for nutrient content
(PDF) Possible Use of Leonardite-Based Humate Sources as
Although it is well known that humates are potential types of organic fertilizer, enough information is not available on the properties of humic substances that
Leonardite: A mined source of humic acid
To alleviate establishment costs, some growers incorporate Leonardite and/or its extracts, humic and fulvic acids, to increase organic matter. To extract humic and
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