This scheme allows pest control workers to classify organisms, whether natural enemies or pests, according to the level of community knowledge, and to anticipate the unique opportunities and challenges that each kind of folk knowledge offers.
01 Januari 1995 Analyzes contemporary crop breeding's successes and shortcomings and details new techniques of breeding food crops with inherited immunity. Discusses the pitfalls of classical plant breeding and the green revolution, offers case histories of crops that have been successfully bred to overcome...
01 Januari 1994 This booklet focuses on foliar disease. In the ornamental industry, a plant's foliage is vitally important to the appearance it presents to customers, as well as the plant's overall health. Without healthy foliage processing sunligh through photosynthesis, its root system weakens, and the plant...
Book 3 explains deficiency symptoms of the following nutrients: Boron and Molybdeunum plus salinity, two or more deficiency symptoms, grow-box gardening, and Index.
01 Januari 1990 This book will help to pinpoint and treat specific nutritional deiciencies in your plants. Book 2 explains deficiency symptoms of magnesium, copper, manganese, zinc, sulfur and iron.
The definitive work on vegetable nutrition - nothing else we've seen comes close! Illustrates plant deficiency symptoms using more than 800 color photographs. Includes three volumes of detailed descriptions that teach what each nutrient does for plants and how to recognize the first and...
01 Januari 2009 With growing consumer awareness about the dangers of garden chemicals, turn toThe Organic Gardener's Handbook of Natural Pest and Disease Control (by Fern Bradley) as the most reliable and comprehensive guide on the garden shelf. Rodale has been the category leader in organic methods for decades,...
Descriptions of various afflictions to potato crops and advice in dealing with them. Includes charts, tables, diagrams, and black-and-white and full color photographs.
This manual is designed to give basic information that has been shown to be successful in a variety of situations. We have often opted to describe methods that may be too sophisticated or expensive to apply in every case in an effort to illustrate the optimal condition. Obviously, not everyone...