Böcker av Michael Starks

Ravenna has 8 World Heritage sites from the 5th-6th centuries AD-churches and monuments with magnificent mosaics, painstakingly constructed during the era of the fall of the western Roman empire. How did it become an imperial and regal capital? Why was it spared invasion and civil war? Should we thank the Ostrogoths? Let this book be your guide.

Describes the psychoactive constituents of cannabis and the effects on potency of growth conditions, genetics, harvesting techniques, and processing. Includes variations in THC and CBD content, species differentiation, seeds, grafting, cloning, bonsai marijuana, growing techniques, extraction of THC, preparation of hashish and hash oil, smoking vs eating, testing for THC and CBD, as well as legal concerns. Illustrated.