Imihlahla yokusiza abagadi bezitshizi kanye nezinto ezithuthukisa ukukhula kwezitshadini emhlabeni jikelele.
Umthombo: "Ukusetshenziswa kwe-fulvic acid, ukunamathelana kwamanzi kanye nemigomo yama-metal amakhulu kunciphisa ukwamukelwa. Lo mbukiso ukhombisa ukuthi yimiphi imikhakha abathengisi bayihlola kanye nokuthi yini okufanele ucele ku-COA."
Fulvate iyimole encane futhi inamandla kakhulu ekusetshenzisweni kwezilwane ezincibilisiwe kanye nokuphuzi; i-humate isetshenziselwa ukulungisa umhlaba nokugcina amanzi. Bheka ukuthi ungakhetha kanjani — futhi nini ongayihlanganisa.
Imigomo nemikhawulo yamasu e-EU kanye nezigaba zemisebenzi yomkhiqizo (PFC) zimdudula ukuthi yini ongayithumela e-Europe. Funda ngemikhawulo oyidingayo kanye namadokhumenti okufanele ulungiselele.