The following is a list of resources for cultivators in terms of standards and methods:

How to Grow Medical Marijuana by Todd McCormick

Organic Marijuana, Soma Style: The Pleasures of Cultivating Connoisseur Cannabis by Soma

The Cannabis Breeder’s Bible: the Definitive Guide to Marijuana Genetics, Cannabis Botany and Creating Strains for the Seed Market by Greg Green

World Wide Weed: Global Trends in Cannabis Cultivation and Its Control by Tom Decrote et al

Weed, Need and Greed: A Study of Domestic Cannabis Cultivation by Gary Potter