This study aims to ascertain the result of Petro Gladiator® probiotic on The expansion of earthworms (Lumbricus rubellus), concerning the size and excess weight of earthworms to ascertain the compost developed from probiotics and earthworms (Lumbricus rubellus). This study made use of a Completely Randomized Structure (CRD) with 3 treatments https://coling689vts9.get-blogging.com/profile