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20 items found (Showing 1 - 10)
  1. Key Resource 1992-03-01 Amazon.com Description Water is everywhere - its physics and chemistry, rain, evaporation, infiltration, underground, the intimate relationship between life and water, and other natural phenomena. Its effects and applications need to be understood: run-off, erosion, soil drainage and irrigation....  
  2. Key Resource 1996-09-01 Amazon.com Description Indigenous soil and water conservation practices are rarely acknowledged in the design of conventional development projects. Instead, the history of soil and water conservation in Africa has been one of imposing external solutions without regard for local practice. There is...  
  3. Key Resource 1989-01-02 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 on agroforestry in soil conservation, including both known...  
  4. 1984-06-01 FAO of the United Nations has as its objective to present the principles and practices of tillage systems for sustained food production and to create an awareness of the need to conserve the world's soil, water and energy resources for future generations.  
  5. This manual should be helpful for all categories of agricultural extension--those without previous training in soil science as well as those with such background. It has several purposes: to provides easily grasped explanations of basic soil managment principles relevant to Peace Corps activities...  
  6. 1995-01-12 A collection of papers and newsletters compiled by the Vetiver Network. World Bank Technical Paper no. 273.  
  7. This book looks at how soil develops, what makes fertile soil, and what spoils soil. Recognizing and treating mineral deficiencies, it presents the ways to improve soil texture and to improve the soil management.  
  8. 2011-02-01 Volume 3 takes the subject of better land husbandry further. The book first points out the sort of things which have been, and are being used, but are failing to deliver what is required. It then explains the causes of erosion, the theory and practice of soil and water conservation, and practical...  
  9. 2007-01-01 This publication looks at soil and water conservation from a global perspective. In total, 42 soil and water conservation technologies and 28 approaches are described – each on four pages with photographs, graphs and line drawings – from more than 20 countries around the world. These and many...  
  10. Key Resource 1998-12-28 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...