The Homebrewer's Garden by Joe and Dennis Fisher is a great source of information about growing your own hops. They include information about watering, soil pH, where to site your hopyard, how to make trellising and good information on various pests and diseases you may have to deal with. ISBN: 1-58017-010-2
"We are here to drink beer. We are here to kill war. We are here to laugh at the odds and live our lives so well that Death will tremble to take us."
-- Charles Bukowski