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  1. Ressource principale 02/01/1989 [see also 631.491 YOU - volume updated, and with title change] This book is a review of the potential of agroforestry for soil conservation, treated in its wider sense to include both control of erosion and maintenance of fertility. The objectives are: To summarize the present state of knowledge...
  2. Ressource principale 19/01/1988 Agroforestry in Dryland Africa is specifically designed to be used by agroforestry field workers in subhumid and semi-arid regions of the continent. This includes researchers working with grassroots organizations, community extension and development workers and development specialists in...
  3. Ressource principale 28/12/1998 A tool for developing and applying the science of agroforestry to problems of natural resources conservation and sustainable agricultural development, this book examines the environmental and social conditions that affect the roles and performance of trees in field- and forest-based agricultural...
  4. Ressource principale 01/10/2001 This booklet assembles under one cover the 97 factsheets and highlights published by the Forest, Farm and Community Tree Network (FACT Net) and its predecessor the Nitrogen Fixing Tree Association (NFTA) between 1985 and 1999. These 2 to 4 page bulletins are concise summaries of important...
  5. Ressource principale 15/01/1989 An urgent challenge facing agricultural scientists working on upland food-crop production in many parts of the humid and subhumid tropics is the need to find viable, sustainable, and environmentally sound alternatives to the ancient shifting cultivation and bush-fallow, slash-and-bum cultivation...
  6. Ressource principale 19/01/1993 Agroforestry has come of age during the past fifteen years. During this period, activities and interest in agroforestry education and training have increased tremendously, as in other aspects of agroforestry development. Today, agroforestry is taught at the senior undergraduate and postgraduate...
  7. Ressource principale 30/08/2005 Volume One: Vision & Theory Edible Forest Gardens is a groundbreaking two-volume work that spells out and explores the key concepts of forest ecology and applies them to the needs of natural gardeners in temperate climates. Volume I lays out the vision of the forest garden and explains the...
  8. Ressource principale 20/10/2005 Volume Two: Design & Practice Edible Forest Gardens is a groundbreaking two-volume work that spells out and explores the key concepts of forest ecology and applies them to the needs of natural gardeners in temperate climates. Volume I lays out the vision of the forest garden and explains the...
  9. Ressource principale 15/12/1997 Slash/mulch systems, ancient agricultural practices still widely used today, are often overlooked by farmers or mistaken for slash-and-burn systems; however, slash/mulch systems, in which vegetation is cut and mulched on site rather than being discarded or burned, are far more beneficial than are...
  10. Ressource principale 02/01/1998 The purpose of this volume is to present a detailed and in-depth look at the concepts, principles and practices that underlie agroforestry application. The focus is on how the individual parts (the theories and concepts) form the whole (the process of designing or understanding user-specific...
  11. Ressource principale
    01/01/1993 280 pp. : ill. 2 copies La première partie traite du rapport qui existe entre les arbres et les gens, et les menaces que les facteurs sociaux, économiques et politiques posent aux arbres. La seconde partie se concentre sur l'agriculture multiétagée, cette méthode de culture économiquement saine...
  12. Ressource principale 19/01/1929 Beside me was a tree, one lone tree. That tree was locally famous because it was the only tree anywhere in that vicinity; yet its presence proved that once there had been a forest over most of that land-now treeless and waste. The farmers of a past generation had cleared the forest. They had...
  13. Ressource principale 25/05/2007 This handbook of locally based agricultural practices brings together the best of science and farmer experimentation, vividly illustrating the enormous diversity of shifting cultivation systems as well as the power of human ingenuity. Environmentalists have tended to disparage shifting...

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