This manual contains a wealth of information to help readers diagnose disorders in landscape plants caused by environmental, physiological or other nonbiological factors. You'll learn how to diagnose injury symptoms from over 20 abiotic agents including water deficit, nutrient deficiencies, salinity, pH, sunburn, air pollution, herbicide and other chemical phytotoxicities, mechanical injuries, lightning, wind, and hail. You'll also learn how to develop a step-by-step diagnostic strategy. Illustrated with 319 color photographs and 38 tables, this book is a "must-have" for the library of every landscape professional.