The essence of agroecology lies in harnessing and harmonizing the forces of nature for productive purpose. This book how it is done, providing a detailed, inclusive look at the underlying theories, concepts, and practices. This allows the reader to explore the full range of possibilities of the nature/agricultural interface and to view agroecology in its entirety, all while providing a clear understanding of the inherent complexity. Productive threats to cropping such as soil depletion, drought, plant-eating insects, heat and cold, weeds, and small and large animals are discussed in depth-with preventative strategies for each-all together in one easy-to-use book.