Biodegradable e bolela sehlahisoa kapa ntho e robehang ho ba likarolo tsa tlhaho, carbon dioxide, le mouoane oa metsi ke likokoana-hloko tse kang libaktheria le li-fungus, tse se nang kotsi tikolohong.
Ka kakaretso, lihlahisoa tse tsoang limela, liphoofolo, kapa liminerale tsa tlhaho li ka senyeha.