1. Globally, drying is the most widely used method for preserving foods for use in the home or for sale. When drying foods such as fruits, vegetables, spices, herbs and nuts value is added by dryingand in such cases an investment in improved drying technologies may be economically viable. This...
  2. 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...
  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 included in this document include application and production...
  4. 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...
  5. 01/01/1986 Comunque, la combinazione di pedali e manovelle che oggi sembra un modo ovvio di produrre il potere, non fu usato per quello scopo fino a che piuttosto recentemente. era pressocché 50 anni dopo Von di Karl che Krais ha inventato i dirigibili piede-spinsero bicicletta nel 1817 quel Pierre Michaud...
  6. 01/01/1983 Questo studio č un accertamento della " appropriatezza " di biogas la tecnologia nel soddisfare alcune delle necessitŕ della popolazione rurale di India. Tale accertamento č complicato completamente, nonostante richieste che un sistema di biogas č una tecnologia di villaggio-livello semplice....
  7. 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
  8. 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...
  9. 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
  10. 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