English (en) | Change Language

Sort: Relevance | Newest first | Oldest first


69 items found (Showing 1 - 10)
  1. Key Resource Despite the incredible diversity of useful plants that exist, a small handful of crops feed the majority of the world and millions of people still suffer from malnutrition and poverty. This talk will discuss some often overlooked crops that have the potential to alleviate suffering through...  
  2. 2011-07-20 Rudy Poglitsh, Former intern working in Swaziland, sent in a question about health of Avocado trees. The problem seemed to be low pH. "We have about 18 avocado trees in the ground. Almost all of them are over five feet tall. The soil is very poor, and the leaves are a pale green/yellow. We are...  
  3. 1992-07-19 A novel idea has been to grow some fruit trees, like bananas and coconuts, in circles about 3 meters in diameter.  
  4. 2000-03-20 Question from Chester Brinser (World Relief Nicaragua) . Reply by Danny Blank, nursery manager at ECHO.  
  5. 2001-10-20 Varroa mites (two strains of Varroa destructor), which parasitize the Western honey bee (Apis mellifera) over much of the world, can seriously weaken and even kill honey bee colonies. Some possibilities for control are discussed.  
  6. 1992-06-19 The U. S. Department of Agriculture is recommending that home gardeners use a cooking oil spray to control aphids, white flies and spider mites.Researchers claim that the oil spray is only about one-third as costly as commercial pesticides with equivalent effectiveness. Recipe for an oil and soap...  
  7. 2003-07-20 In addition to controlling termites, boric acid can be used to control cockroaches and ants.  
  8. 2007-10-20 A pot irrigation system was used to water newly planted mango grafts. Instead of direct watering, water was poured into four cylindrical clay pots installed around the plant.  
  9. 1997-11-19 Preliminary research done by the USDAsuggests that the smoke of grapefruit leaves may help control varroa mites, which parasitize bees.  
  10. 2003-07-20 The Strawberry Tree (Muntingia calabura), also known as Jamaica Cherry, is a multipurpose tree that quickly grows to 8 to 13 meters in height. The tree produces a small red fruit, but is largely valued for its wood. It is remarkably fast-growing for a tree having such hard wood.