This research aims to determine the result of Petro Gladiator® probiotic on the growth of earthworms (Lumbricus rubellus), regarding the size and body weight of earthworms to ascertain the compost manufactured from probiotics and earthworms (Lumbricus rubellus). This analyze made use of a very Randomized Structure (CRD) with three solutions https://emperorw604xiu3.wikienlightenment.com/user