Ukukhethwa kwezinto ezingavuthiwe zomanyolo we-organic kanye nomanyolo we-bio-organic kungaba ubulongwe bemfuyo obuhlukahlukene kanye nemfucuza yemvelo.Ifomula eyisisekelo yokukhiqiza iyahlukahluka kuye ngohlobo nempahla eluhlaza.Izinto ezisetshenziswayo eziyisisekelo yilezi: ubulongwe benkukhu, ubulongwe bedada, ubulongwe behansi, ubulongwe bengulube, ikati...
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