1. 18/10/2016 Cory Thede, travaillant sur la côte nord d'Haïti, a envoyé une note sur une plante locale de chaya avec une branche (Figure 8) qui s’est transformée en une variété sauvage piquante. Il a fait le commentaire suivant: «Quand je me suis adossé par inadvertance contre elle, j'ai senti des piqûres et...
  2. This article is from ECHO Asia Note #4 Working together with Thai Care, the children's ministry of the Rain Tree Foundation, Meribah Ram Pump is engaged in various community development projects in northern Thailand. A major focus is to make simple, sustainable technology, such as ram pumps and...
  3. 19/06/1992 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...
  4. 19/06/1992 Solar heating of cowpeas for at least 45 minutes will kill weevils without affecting cooking or germination percentages.
  5. 19/01/1996 Information about controlling cassava mealybug (Phenacoccus manihoti) without commercial insecticides.
  6. 19/03/1999 Horn flies have been controlled with insecticides in the U.S. since the early 1950s. An alternative, mechanical means of control (horn fly trap) was developed prior to World War II, but this never made its way into mainstream agriculture because of the growing use of pesticides following the war....
  7. 19/11/1997 Two methods for controlling ticks on goats in the tropics.
  8. 19/11/1997 Preliminary research done by the USDAsuggests that the smoke of grapefruit leaves may help control varroa mites, which parasitize bees.
  9. 19/02/1998 Kerosene Emulsifiable Concentrate is an insecticide (at times it acts as a fungicide) which has a very wide spectrum as far as dealing with various insects is concerned.
  10. 19/07/1999 The diamondback caterpillar,Plutella xylostella, (larva of amoth) is a very serious pest of cabbage and other crops. When highly fertilized collard greens (B. oleracea, Acephala Group), a related vegetable, are planted completely around a field, moths lay their eggs on the collards rather than on...