I Tech designs
Appropriate Technology for Small and Subsistence Farms
PO Box 413, Veneta, OR 97487, USA
www.efn.org/~itech/

All I Tech designs are public domain, a gift to humanity

(I Tech files previously located at <plant sciences.ucdavis.edu/LTRAS/itech/> and  <agronomy.ucdavis.edu/LTRAS/itech/> are relocated here and at University of California, Davis 
<http://ltras.ucdavis.edu/itech-appropriate-technology-for-small-and-subsistence-farms-1/>)
Topic:  Page title, content,  file size, last update          Open   Open
Bean: Growing organic black beans in Veneta, Oregon: (western Oregon, 17 miles west of Eugene)  Planting dates, fertilizer, weed cultivations, harvest and post harvest (295 kb, 10/2009b)         .pdf
Food dryer:   Farm-scale food dehydrator. (88 kb, 11/1998, updated 1/2003, 11/2009)   updated    .pdf   .htm
Food dryer:   Solar tunnel food dryer.  Modified Hohenheim solar tunnel food dryer design, optimized using the Penman-Monteith evapotranspiration equation, revised (491 kb, 3/2008, 3/2009,11/2009)   updated    .pdf
Garlic:  Hand operated garlic trimmer. (15 kb, 8/1999)
   .pdf
Grain huller:  Grain huller for rice, spelt wheat, quinoa and millet.  Plans for converting a hand mill to a grain huller (71 kb, 8/1989)    .pdf  .htm
Grain huller: Centrifugal huller for sunflower and naked barley seeds.  Convert a kitchen sink garbage disposer into a grain huller  (165 kb, 1/2010)     latest addition    .pdf
Grain thresher:  Conversion of a leaf shredder/wood chipper to a grain thresher.  Plans for making a grain thresher suitable for amaranth, bean,oat, rice, wheat etc.(263 kb, 8/1994, 9/2009, 11/2009)   updated    .pdf  .htm
Insulation: Skylight insulation:  3 ways to increase the insulation of home skylights (73 kb, 6/2005)    .pdf
Pests:   Enhanced electronic black light bug zapper. (44 kb, 11/2000, updated 11/2009)    .pdf   .htm
Pests:   Mouse guard: a non climb barrier strip against mice using oil coated aluminum foil tape (130 kb, 3/2007b)    .pdf
Pests:   Protecting trees from nutria  (84 kb, 6/2005)    .pdf
Seed storage:    Hand operated vaccum packing system for seed storage (15 kb, 11/1989)    .pdf
Weed control:   Flex tine cultivator conversion: convert a spike tooth harrow to a tine cultivator (367 kb, 1/2007)    .pdf
Weed control:   Propane flame weed burners (147 kb, 2/1997, updated 11/2009)   updated    .pdf  .htm
Weed control:   Serrated hand hoe and mower blades (31 kb, 8/1991)    .pdf
Weed control:   Weeding spade (47 kb, 2/1996)    .pdf
Winnower:   Farm scale electric winnower: seed cleaner using air to separate seeds from chaff (207kb,12/2005)    .pdf
Winnower:   Hand operated winnower (12 kb, 2/1986)    .pdf
Winnower:   Small electric winnower (9kb, 2/1986)    .pdf