How Are Humic & Fulvic Acid Different?
The difference between humic and fulvic acids is that humic acids are not water soluble under very low pH conditions whereas fulvic acids are water soluble under all pH conditions (and, as mentioned earlier, fulvic acids are just humic acids that have been further microbially processed).
Remember how I mentioned earlier that humic acids and fulvic acids are the “products” of microbial decay of organic matter AND how I mentioned that chemical fertilizers kill off virtually all soil microbial activity? That means that chemically fertilized soils CANNOT produce more humus, humic acid, fulvic acid or humates from the organic matter left behind after a harvest.
So, from the time that you begin using chemical fertilizers on your fields, gardens or lawn, you begin the process of continually depleting these most important components of soil structure and biology. Once they are gone, the soil is completely dead and will grow virtually nothing until you re-balance this soil ecosystem
More Differences to Note
Fulvic acids are actually about 10 times smaller than humic acids and have double the oxygen content. They are also much more chemically reactive, having an exchange capacity that is double that of humic acids.
They are especially useful within foliar fertilizer applications because they more readily chelate the minerals WITHIN the fertilizer as well as whatever minerals might be already on the leaf of the plant AND the minerals in the soil (from fertilizer that does NOT end up on the leaf).
As a result, the plant VERY quickly takes up the minerals from that fertilizer (either through the leaf or through the root system from the soil) and immediately transports those chelated minerals to metabolic sites within the plant’s cells.
Read more:
http://guarding-our-earth.com/organic-fertilizer/organic-fertilizer/fulvic-acid-humic-acid-chelation/#ixzz4WAq7AL00
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