MELBOURNE: Roto-Gro World Wide (Canada) Inc., a wholly-owned subsidiary of Roto-Gro International Limited announced that Oakum Cannabis Corporation, formerly Frozen Penguin Medical Industries, has harvested its first large scale commercial lawful cannabis crops, cultivated with 48 of its recently installed and commissioned RotoGro Rotational Hydroponic Garden Systems. Oakum has successfully initiated and conducted commercial operations…