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  1. 01-01-1990 This sourcebook is a cirriculum for teachers in developing a garden-based science program. It can be divided into four sections. Breaking Ground, the first section, provides general information about Life Lab and explains why the garden as a "Living Laboratory" provides an important and exciting...
  2. This publication on the evaluation of soils in agroforestry will enable you to explain how soils evaluation can be used in the diagnosis of agroforestry constraints and identify and interpret important soils information in the context of agroforestry intervention design.
  3. 01-01-2002 This book includes question and answers on how to improve and maintain tropical soil fertility. It also includes activity guides and a resource listing.
  4. This book includes question and answers, activity guides and a listing of resoures in regards to soil erosion.
  5. This pack looks at the factors that influence soil formation, and the characteristics of soils, including their physical, hydrological, chemical and biological properties.
  6. While erosion by water and wind is the most common form of soil degradation, soil may become less productive even without being physically removed from the land. How and why soils become physically and chemically degrade is the focus of this pack. It will explore how and why soils become...
  7. 01-01-2003 Teaching Cross-Culturally is a challenging consideration of what it means to be a Christian educator in a culture other than your own. Chapters include discussions about how to uncover cultural biases, how to address intelligence and learning styles, and teaching for biblical transformation....
  8. 19-01-1974 This booklet describes what a demonstration entails, how to getready for the demonstration, and how to conducting your demonstration. Extension Service, US Dept. of Agriculture 14 pages, illustrated, photos
  9. The book is both a starting point for those with little experience of visual aids, and a rich source of new ideas for those who already use a variety of visual aids.
  10. Participatory approaches to research and development that are appropriatie for poor farmers have become widespread in the past decade. This book describes experiences with one such approach, the Comite de Investigacion Agricola Local, or Local Agricultural Research Committee. The CIAL is a...