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28 items found (Showing 1 - 10)
  1. Key Resource 2001-01-01 Access to clean drinking water remains one of the greatest challenges in the world. The BioSand Filter is one method that can be used for purifying water at the household level. With this filter, contaminated water is filtered through a natural biological layer and then layers of sand, pebbles...  
  2. 2005-07-20 “Gray water” (also “grey water,” “graywater” or “greywater”) is the term used to describe wastewater from dish washing, laundry, bathing, and rinsing. (Note: the term gray water does not refer to toilet waste, which is often called “black water.”) Although gray water does not need extensive...  
  3. 1993-07-19 Wayne DeYoung in Haiti writes about a pump that he is sure will interest ournetwork. It was used in a water well project by Dan Cook and others in Haiti. Wayne believes that it has phenomenal value for many gardening situations along rivers or ponds or where a hand dug well is available. His...  
  4. 2017-01-20 Esta publicación es el Capítulo 3 de Opciones para los agricultores de pequeña escala es un libro lleno de opciones prácticas para aquellos que trabajan para ayudar a los agricultores a pequeña escala y jardineros urbanos en los trópicos y subtrópicos, muchos que luchan para producir suficiente...  
  5. 1997-11-19 Discussion of possible disease organisms in manure. Many of us probably assume health problems originate when food is washed with contaminated water or because of poor human hygiene. However, it could also come from the use of manure as a fertilizer in the field.  
  6. 1999-03-19 Papaya seeds are part of traditional Ethiopian medicine for stomach worms.  
  7. 1992-06-19 Information about making a skin ointment from Moringa oleifera. Herbal applications are commonly used to treat skin infections in developing countries, although few investigations are conducted to validate scientifically their popular use. A previous study had showed that Moringa oleifera...  
  8. 2005-07-20 Feedback from the ECHO networking with information on cookstoves and indoor pollution.  
  9. 1992-06-19 More discussion on consumption of Velvet Beans.