This research aims to find out the influence of Petro Gladiator® probiotic on the growth of earthworms (Lumbricus rubellus), when it comes to the duration and bodyweight of earthworms to ascertain the compost made from probiotics and earthworms (Lumbricus rubellus). This study made use of a Completely Randomized Design (CRD) https://ayam-probiotik-vs-ayam-ka71481.blog-eye.com/28862017/about-ayam-probiotik-vs-ayam-kampung