Ubushakashatsi ku isoko ryo mu gihugu no ku rwego mpuzamahanga bwerekana ko kongera 1% kugeza kuri 3% bya calcium formate mu ndyo y’ingurube bishobora kunoza cyane umusaruro w’ingurube zo mu rugo. Ubushakashatsi bwagaragaje ko kongera 3% bya calcium formate mu ndyo y’ingurube zo mu rugo byongera igipimo cyo guhindura ibiryo ku kigero cya 7% kugeza kuri 8%, kandi byongera 5...