Author: Ralph Kenneth Horst
Publisher: Amer Phytopathological Society
ISBN: 9780890540527
Category : Gardening
Languages : en
Pages : 50
Book Description
Infectious diseases: diseases caused by fungi, bacteria, viruses, nematodes. Noninfectious diseases: physiologic problems, environmental imbalances, air pollution, pesticides toxicity, nutritional deficiencies, nutritional toxicities.