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1574 items found (Showing 1 - 10)
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  6. ECHO-North America Field Trip Resources Continue the ECHO learning experience in your classroom or home! Explore these enrichment activities that are designed to engage students and support your curriculum. Each document contains a complete set of student materials, teacher answer keys, and...  
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  8. Key Resource 2015-02-16 Tropical root and tuber crops are consumed as staples in parts of the tropics and should be considered for their potential to produce impressive yields in small spaces. They provide valuable options for producing food under challenging growing conditions. Cassava and taro, for instance, are...  
  9. Key Resource 2017-05-26 By integrating legumes into cropping systems, small-scale farmers in low-resource settings can invest in the long-term health and resilience of their soils. Success or failure depends largely on choosing the right legume(s). With that in mind, this document presents insights on legume selection...  
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    1998-01-01 The first section of this note focuses in on a new technology, called the ‘technology protection system’ by its developers and ‘terminator technology’ by its opponents. This technology illustrates the potential for patents to impact society at the fundamental level of food production. The...