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7 items found (Showing 1 - 7)
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This study investigated the main factors influencing digester temperature and methods to reduce heat losses during the cold season in the subtropics. Four composite digesters (two insulated and two uninsulated) were buried underground to measure their internal temperature (C) at a depth of 140 cm...
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This presentation on the creation and use of Wading Pool Gardens is taught by Dr. Martin Price Adobe Flash Player is required.
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This website is a collection of stories about our work at City Farmer here in Vancouver, Canada, and about urban farmers from around the world. The site is maintained by City Farmer executive director,Michael Levenston.
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SOME CRITERIA FOR ABOVE-GROUND GARDENS. (1) They must be made from local materials, not from something imported into the country. (2) They must be inexpensive to construct, preferably using recycled materials approaching no cost at all. (3) They must have a very low weight per area of growing...
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This site has been running continuously since 1994 with its hundreds of pages of urban agriculture information.
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The BGET provides hands-on appropriate technology training and financial support to village innovators in ethnic minority areas on both sides of the Thai/Burma border. BGET’s Knowledge Base offers a wealth of technical downloads in English and Thai related to renewable energy technologies for...
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2001-01-10 This book shows biogas users on how to operate and maintain their biogas plant. The things to do are illustrated with many simple drawings. 34 pages, illustrated