This study aims to determine the impact of Petro Gladiator® probiotic on the growth of earthworms (Lumbricus rubellus), with regards to the size and bodyweight of earthworms to find out the compost made from probiotics and earthworms (Lumbricus rubellus). This research employed a Completely Randomized Style (CRD) with three treatments https://www.tokobelanjasegar.com/