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33 items found (Showing 1 - 10)
  1. Rating: 2.0 - 1 Vote
    1997-07-19 Some uses of water hyacinth - ruminant feed,handmade paper,nutrition . . . etc.
  2. Rating: 2.0 - 1 Vote
    2001-07-20 After the publication of our article on clay water filters (EDN71-4), we were questioned about the safety of colloidal silver.
  3. Rating: 2.0 - 1 Vote
    2004-04-20 Filtering water through old clothes can effectively remove many of the copepods (a type of zooplankton) that carry cholera-causing bacteria. Researchers from the University of Maryland, College Park, did a study in Bangladesh comparing the effectiveness of old saris and nylon filters for...
  4. Rating: 2.0 - 1 Vote
    2004-04-20 Poor crop establishment is common in developing countries. However, plants can be given a head start if they are able to germinate and emerge quickly. One way to minimize the time that seeds spend absorbing water from the soil is to soak the seeds in water before sowing them.
  5. Rating: 2.0 - 1 Vote
    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. Rating: 2.0 - 1 Vote
    1996-01-19 Colored Plastic Mulcheshave been found toimprove yields and fruit quality in some vegetable crops.
  7. Rating: 2.0 - 1 Vote
    1994-07-19 A technique for removing salts from planting containers.
  8. Rating: 2.0 - 1 Vote
    1999-10-19 Salt licks can provide the minerals that are often lacking, such as phosphorus, sodium, calcium and magnesium. Salt licks can be purchased to improve production, but limited cash and/or proximity to a town or village may prohibit doing so regularly. It is possible, however, to make your own salt...
  9. Rating: 2.0 - 1 Vote
    1999-12-19 Advice on removing and preventing bats from roosting in an attic.
  10. Rating: 2.0 - 1 Vote
    1997-11-19 Two methods for controlling ticks on goats in the tropics.