EDTA-Cu 15% yog cov organic chelated tooj liab.Piv nrog inorganic tooj liab, nws yooj yim dua rau yaj, thiab cov av tsis compacted, yog li nws yooj yim dua absorbed thiab siv los ntawm cov nroj tsuag thiab tsub kom qhov tso zis piv ntawm cov nroj tsuag.Nws yog siv los ua ib qho kab mob chiv hauv kev ua liaj ua teb.Hauv kev tsim cov chiv, nws tuaj yeem siv los ua cov khoom siv ntxiv rau foliar fertilizer, flushing fertilizer, drip irrigation fertilizer, water-soluble fertilizer, organic fertilizer thiab compound fertilizer, thiab rau nplooj txau thiab yaug., dropper thiab tuaj yeem siv rau kev cog qoob loo tsis muaj av.