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  1. Key Resource 2012-01-01 Asia makes up less than one third (30%) of the world’s land area and yet carries over half (56%) of the world’s population. Moreover, the average population density of Asia becomes a significant long-term problem when food production is considered. Some countries in Asia have a population density...  
  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....  

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