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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...
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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...
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The UC Davis chimney solar dryer was designed to provide efficient drying even in hazy or partially cloudy conditions. Constructing the dryer is simple, and it can be built from low-cost materials found locally in markets and shops around the world. The objective of this manual is to provide the...
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Drying can be expensive. Fuel is expensive and the cost of electricity in many countries is prohibitive. And yet sunshine is in abundance where tropical fruit grow. Solar drying makes so much sense, both economic and environmentally. Solar drying by the way is NOT photovoltaic. We don’t try to...
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2022-11-15 Session :Lessons learned from small farm equipment in the field. Topics to be covered: What sustaining equipment can help the most at you mission. Church missions as equipment lending centers. Multi-use farm cart. Equipment as checked baggage. Asking for your vote to inform what equipment we...
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2024-10-23 This book describes how to make a cook-bag which saves fuel and reduces air pollution within the home. Written and illustrated for MissionAssist It is based on information kindly provided by ButterflySpace, with their permission. This edition published in the United Kingdom in 2024 by...
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We are a French-speaking collective of small-scale farmers, employees and agricultural development organisations, gathered together as a cooperative named l’Atelier Paysan, a tool box of farmer-driven technologies and practices.Based on the principle that farmers are themselves innovators, we...
- Also available in:
- English (en)
- Français (fr)
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1976-01-08 [ Gift of Larry Bentley ] ECHO Library holds current issues of Appropriate Technology [Quarterly] shelved with other periodicals; these are older copies of Vol. 3 No 2 (Aug 1976 - Vol. 8 No 4 (Mar 1982), not available online at https://appropriate-technology.com/view-digital-at/ "The quarterly...
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2 discs The AT Library contains the full text and images fromthe best books dealing with all areas of self-reliance, do-it-yourself technology. https://villageearth.org/home/appropriate-technology-library/
- The ECHO East Africa Biennial Symposium on Sustainable Agriculture and Appropriate Technologiesconnects individuals and organizations who seek to share their knowledge and best practices in these areas: to improve nutrition, reduce poverty, hunger, and physical hardship by engaging farmers more...