The World of Orchids
A practical guide to cultivating orchids in soilless culture. Jack Ross has spent many years of research using hydroponics for raising orchids. The results inform his advice on organic and inorganic growing media, propagation, repotting, feeding, watering, automated systems, diseases and general care. Also includes descriptions of the vital fungal associations with the roots of all orchids. Written for amateur orchid-lovers and largescale commercial growers, with 171 illustrations. 160 pages.