Book Description Softcover. Condition: New. The World of Orchids is a practical guide to cultivating orchids in a soilless culture. This book provides research-based advice on organic and inorganic growing media, fertilizing and watering, plant nutrition and nutrient feed systems, pH measurement, stress factors, tissue analysis, and mineral deficiency and toxicity. It also describes the unique root system of the orchid plant, propagating and raising seedlings, as well as repotting and potting-on. This book is for the small orchid enthusiast as well as commercial growers producing high-quality orchid plants and flowers on a large scale. The World of Orchids will prove a welcome addition to the libraries of all orchid lovers.160 pages. Seller Inventory # DADAX095867356X