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Showing below up to 20 results in range #21 to #40.
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- Wood Gasification (01:45, 3 February 2013)
- Commercial Aquaponics (17:55, 4 February 2013)
- Hugelkultur (17:58, 4 February 2013)
- Irrigation (18:04, 4 February 2013)
- On farm food safety (18:05, 4 February 2013)
- Permaculture (23:55, 5 February 2013)
- Methane Bio-digesters (04:53, 6 February 2013)
- Where to dig a well (03:21, 8 February 2013)
- Lifting Water (03:21, 8 February 2013)
- Water Purification (03:22, 8 February 2013)
- Rainwater Catchment (03:24, 8 February 2013)
- Wind energy for water pumping (03:25, 8 February 2013)
- Water Transport (03:26, 8 February 2013)
- Malaria Control (03:27, 8 February 2013)
- Simple Pumps (03:28, 8 February 2013)
- Tomato Seed Saving (03:29, 8 February 2013)
- Poultry Raising (03:31, 8 February 2013)
- Bamboo Construction (03:33, 8 February 2013)
- Smoking Fish (03:35, 8 February 2013)
- Yurts (04:04, 8 February 2013)
