Plant nutrients are found in a relatively thin layer of soil materials that covers all of the continents of the entire world. These plant nutrients provide the

Winner of the Society for Economic Botany's Mary W. Klinger Book Award, this volume presents information on nearly 540 edible plants used by people of more than

Taking a global perspective, this book provides a concise overviewof drylands, including their physical, biological, temporal, andhuman components. Examines the

A revised and thoroughly updated edition of this concise but comprehensive introduction to desert ecology.

Dryland degradation and desertification now affect almost a billion people around the world. Tragically, the biological resources and productivity of millions o