Book excerpt: Rodale's Ultimate Encyclopedia of Organic Gardening has been the go-to resource for gardeners for more than 50 years, and the best tool novices can buy to start applying organic methods to their fruit and vegetable crops, herbs, trees and shrubs, perennials, annuals, and lawns. This thoroughly revised and updated version highlights new organic pest controls, new fertilizer products, improved gardening techniques, the latest organic soil practices, and new trends in garden design. In this indispensable work you will find: • Comprehensive coverage for the entire garden and landscape along with related entries such as Community Gardening, Edible Landscaping, Horticultural Therapy, Stonescaping, and more • The most in-depth information from the trusted Rodale Organic Gardening brand • A completely new section on earth-friendly techniques for gardening in a changing climate, covering wise water management, creating backyard habitats, managing invasive plants and insects, reducing energy use and recycling, and understanding biotechnology • Entries all written by American gardeners for American gardeners, with answers for all the challenges presented by various conditions, from the humid Deep South and the mild maritime coasts to the cold far North and the dry Southwest Rodale's Ultimate Encyclopedia of Organic Gardening has everything you need to create gorgeous, non-toxic gardens in any part of the country.