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Humic acid yog ib feem ntawm humic yam muaj li ntawm ib txoj saw molecule, uas yog muaj molecular phaus, maub tsos daj thiab soluble nyob rau ib qho tshuaj alkaline. Nws yog derived ntawm lub Cheebtsam organic av, humus, peat thiab thee. Nws yog ib tug byproduct ntawm tej kab mob uas zom plhaws tuag. Humic cov kua qaub no ua tau ib txoj dej ntawm ntau ntau cov organic acids ua thaum lub biodegradation bleach tov. Fulvic txhuam cov acids yog humic acids sab molecular thawj uas muaj pa ntsiab lus yooj yim dua. Fulvic acid yog tau kis los ntawm kev cog cell week yooj yim, uas yog li cas nws yuav muaj pab nyob rau hauv qhov haum ntawm tsob nroj as-ham. Humic txhuam cov acids yog yav tom ntej chelators ntawd ua kom as uptake ntxiv rau mus pab tau txoj av microbial kev ua thiab kev txhim kho ya raws tuav – ib yawm sib ntxiv kom txhua cog ruaj. Humic acid yog ib qho tseemceeb tivthaiv tej av-cog nyob, ua kom cov av qauv, yeej txhawb txoj kev microbial thiab tej cog uptake.

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