1. There are two main reasons for drying food: to prevent (or inhibit) the growth and activity of micro-organisms and hence preserve the food to reduce the weight and bulk of food for cheaper transport and storage. This technical brief describes some of the requirements for proper drying and...
  2. This information service on biogas technology has been developed and produced on the order of the GTZ project Information and Advisory Service on Appropriate Technology (ISAT) for the ISAT Website in a collaborative effort. Information included in this document include application and production...
  3. This information service on biogas technology has been developed and produced on the order of the GTZ project Information and Advisory Service on Appropriate Technology (ISAT) for the ISAT Website in a collaborative effort. Information within this document includes the basics of biogas, the...
  4. 01/01/1986 Sur les sičcles, la pédale a été la plus commune méthode d'utiliser les jambes pour produire le pouvoir. Les Pédales sont immobiles commun dans la gamme de bas pouvoir, surtout pour coudre machines. Historically, deux pédales ont été utilisées pour quelques-uns les tâches, mais quand męme la...
  5. 01/01/1983 Cette étude est une estimation du " ŕ-propos " de biogaz technologie dans en rencontrer quelques-uns des besoins de la population rurale d'Inde. Une telle estimation est complčtement compliquée, en dépit de demandes qu'un system du biogaz est une technologie village - égale simple. Pendant qu'il...
  6. 01/01/1993 *Available Only in Spanish This book provides information regarding agriculture translations in both English and Spanish. It also provides illastrations of vegetables, tools, plants, and animals. 2 Copies
  7. The alternative to digging a pit is to stack the wood above the ground and cover the stack with earth. This method is also very old and is widely used in many countries. One finds many variations of the basic method. Studies have been made in some countries to optimise the design. The Swedish...
  8. 01/01/1980 A Stirrup-Operated Coconut Graterprovides intructions and illustrations on how to build an effective coconut grater. Inclusion of the book, there are detailed instructions on how the stirrup-operated coconut grater. 28 pages, illustrated Rural Technology Guide 6
  9. 09/01/1976 This is the second in a set of three how-to manuals that together provide a comprehensive overview of storage problems and considerations as they relate to the small farmer. Vol 2 is is an in-depth study of two major enemies: insects and rodents. 169 pages, illustrations
  10. 01/01/1987 In many developing countries wood harvesting with hand tools continues on a large scale. With the shift of emphasis towards trees grown by rural people rather than forestry enterprises, it will gain in importance in the years to come. This training manual provides basic information on efficient...