Robert Connell Clarke is a writer, botanist and horticulturist who specializes in cannabis cultivation. Biography He was part of a 80's seed bank called Cultivators Choice, that bred most of the Gene base of cannabis strains for the commercial part of the industry. Along with David Paul Watson, he founded Hortapharm B.V. a Netherlands company that produces legal cannabis in the United Kingdom and for the Dutch government for medicinal purposes. Bibliography * The botany and ecology of Cannabis (1977) * Marijuana Botany: The Propagation and Breeding of Distinctive Cannabis by Robert Connell Clarke, Clarke and Cherlyn Lee (Jun 15 1981) * Cannabis evolution (1987) * Hanf (German) by Robert Connell Clarke (Apr 1 1997) * Hashish! by Robert Connell Clarke, Mel Frank and Jason King (Jun 19 1998) * Hemp Diseases and Pests: Management and Biological Control : an Advanced Treatise by John Michael McPartland, Robert Connell Clark and David Paul Watson (September 2000) * Haschisch: Geschichte, Kultur, Inhaltsstoffe, Genuss, Heilkunde, Herstellung (2000) * The Cannabible by Jason King and Robert Connell Clarke (Oct 1 2001) * La botanique du cannabis (2004) "French"
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