In this, the largest and most comprehensive guide to growing cannabis ever published, full-colour step-by-step photos detail the entire cultivation process. The fundamentals of hydroponics, soil and organic marijuana gardening are all covered and then expanded upon in detail; learn about Trichome Tech's ingenious symbiotic rotation cycle grow system, which enables industrial-grade yields from home gardens; now learn how to extract worldwide gold standard THC and CBD from your marijuana plants - ideal for hashish making; as a fnial bonus, learn to extract oil for medical use.