English (en) | Change Language

Sort: Relevance | Newest first | Oldest first


576 items found (Showing 11 - 20)
  1. 2021-04-06 If you enjoy reading ECHO Development Notes, consider also signing up to receive ECHO Asia Notes. Issues are published quarterly and content remains relevant beyond the Asia Region. You will find technical articles, research updates, network member highlights, upcoming events, how-to guides, and...
     
  2. 2012-07-01 “Push-pull” is an intercropping strategy that protects maize and other grain crops against maize stemborer insect larvae (Chilo partellus) and a parasitic weed called striga (Striga hermonthica). In eastern and southern Africa, these pests have caused huge losses in maize and sorghum yields....  
  3. 2013-01-20 Currently, seeds of all carrot varieties grown in hot sub-Saharan Africa are imported from regions with temperate climates such as Europe and USA. It has not been easy to produce carrot seeds in hot Africa, because carrots require exposure to cold temperatures (vernalization) to induce flowering....  
  4. 1993-10-19 The following is abstracted from information provided by Noel Vietmeyer with the USA National Academy of Sciences which appeared in the June 1993 issue of Spore Magazine.. "Throughout the developing world boiled starchy grains and roots are given as weaning food.... Boiled starch is so thick and...  
  5. 1992-07-19 Dr. Rosling does not like the statement “cassava contains cyanide.” A food that contained pure hydrogen cyanide could be easily detoxified (it would be driven off as a gas by cooking). If any free cyanide is present in cassava, it can easily be driven off into the air by temperatures over 28C (82...  
  6. 2000-03-20 For centuries, Andean farmers in Peru and Bolivia have monitored the brightness of the Pleiades stars to determine when to plant potato crops for optimal rainfall. Now scientists have validated the farmers’ weather forecasting methods.  
  7. 1981-12-19 This is a question we have been asking for some time. The idea is to prepare pellets using an appropriate technology pelletizer, using waste biomass or charcoal made from it. We do not have much to report at this time except that an engineer has designed and is making a simple pelletizer for us....  
  8. 2005-07-20 On the banks of Lake Victoria and Lake Malawi and at river edges in Eastern and Central Africa, hippos are a major garden pest.  
  9. 2014-10-20 Worldwide, the number of insect pollinators has declined sharply in recent years. Beekeepers have experienced heavy loss of honey bee colonies; in the United States, the number of managed colonies is half of what it was sixty or seventy years ago (USDA). The number of wild pollinators has also...  
  10. 1993-01-01 Heavy flowering of Neem indicates trouble? Dr. Jason Yapp, Agricultural Services & Development Manager, Rural Development Corporation, Malaysia.“I would like to reply to Nigel Florida’s inquiry regards to successful tropical mushroom cultivation Timothy Volk, MCC, Nigeria. “I noted Eddie...