Introduction -- How plants grow -- Soil and hydroponics -- The plant root: its roles and functions -- The essential elements --The beneficial elements -- The nutrient solution -- Systems of hydroponic/soilless culture -- Systems of hydroponics culture -- Organic media soillness culture -- Hydroponic cropping -- Hydroponic greenhouse -- Diagnostic testing procedures -- Pest control -- Educational role for hydroponics. "Revolutionary hydroponic/soilless advances are being achieved by efficiently improving results with the application of new concepts, methods, and equipment. The new edition of a bestseller, Hydroponics has been revised to reflect these advances with new chapters that provide essential information on greenhouse design, function, and methods for crop production and management. Appropriate for a wide audience, this edition is a practical guide, overview, and handy reference for home gardeners to hobbyists, commercial growers to researchers."--Jacket.