The key to growing healthy, beautiful plants is good soil. This practical all-region guide helps you understand the unique characteristics of your garden's soil and build its natural fertility using organic and sustainable methods. Written by soil and horticulture experts from across North America, it emphasizes the importance of nurturing a diverse ecosystem of beneficial soil organisms, using recycled and renewable organic amendments and mulches, planting nutrient-enhancing cover crops and ornamentals, and selecting plants that adapt with ease to your site conditions.