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chelate degradation

domacin

Member
so we have these new fertz with dozens of chelates, so you dont have to worry about your ph ... (hydro + aero)

but, what happens with those big chelate molecules, what are their degradation products? does a fertilizer without so many chelates produce a "healthier" product ?
 

Only Ornamental

Spiritually inspired agnostic mad scientist
Veteran
Chelate is a generic term for simply put any organic molecule which complexes ions by more than one bond.
The most often used chelates in fertilisers are aminocarboxylic acids such as EDTA, DTPA, HEEDTA, and EDDHA. These aren't easily degraded, accumulate in nature and depending on conditions also in plants. They have benefits regarding micronutrients but by themselves hamper growth. I don't like them and prefer the many green alternatives available nowadays. And yes, it's healthier to consume plants growing with fertilisers without EDTA and co. Depending on composition, the quality and health of these plants are likely similar to plants growing on synthetic chelates.
Besides, most chelates aren't that big (unless you're talking about polymers and humic substances) and synthetic chelates aren't meant for buffering ;) .
 

domacin

Member
thank you only ornamental,

im having similiar feelings, but have lack of scientific "results", thats why i started this thread; good to have a confirmation; besides that a bit of ph swing is also a good thing without chelates ;)
 

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