1. 2009-04-01 Phosphorus in the hulls of plant seeds, especially legumes and grains, is bound up in an organic molecule called phytic acid. In addition to the bound phosphorus, phytic acid can interrupt the body’s ability to utilize minerals found in food. Unless the phytic acid molecule is broken down, either...
  2. 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...
  3. 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...
  4. 2009-01-20 Porridges are made by boiling traditional starchy foods such as cornmeal, rice, oatmeal, potato, or ground sorghum in water. However, it can be difficult for infants to swallow. Enzymes in malted barley flour (germinated barley seeds that have been carefully dried and ground into a powder) can...
  5. 1996-12-01 Goats play a vital role in the rural economy of many poor countries, and numerous projects have been established to encourage their development. But the extension workers employed on such projects are often untrained in goat production, and the only available textbooks are mostly very academic or...
  6. 2007-04-20 When a person has been infected with HIV but still has no symptoms of AIDS, the basic metabolic rate (energy requirement) increases and requires 10% more calories each day just to maintain the hidden fight that keeps the virus under control.
  7. 2010-07-20 One high quality and universally available source of all the major macronutrients (nitrogen, phosphorus and potassium) is human urine. Using human urine as fertilizer is not unprecedented, but for various reasons in most countries it is not commonly considered as an option, especially for growing...
  8. 2010-10-20 Input from the ECHO network concerning the use of urine as a fertilizer.
  9. 2005-10-01 In Cassava Cyanide Diseases News (CCDN), Issue 4,December 2004, Dr. J. Howard Bradbury wrote about a method of processing cassava that could substantially reduce the cyanide content of flour.
  10. 1997-04-19 Information about seed set and nutrition of velvet beans.