This examine aims to determine the effect of Petro Gladiator® probiotic on The expansion of earthworms (Lumbricus rubellus), with regard to the length and excess weight of earthworms to ascertain the compost made from probiotics and earthworms (Lumbricus rubellus). This study made use of a totally Randomized Style (CRD) with https://www.tokobelanjasegar.com/brand-mitra/nesville/