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54 items found (Showing 51 - 54)
  1. 2019-07-20 Food environments is a new concept and its relevance for a better understanding of food systems is still a matter of debate. Researchers have not yet reached a unique agreed-upon definition of food environments but they tend to converge towards a combination of external and personal factors...
     
  2. 2007-04-30 This publication describes how pasture, fodder and livestock production have been integrated into conservation agriculture systems in Brazil's tropical zones. Vast areas of forest have been cleared in the tropical areas of Brazil for establishment of pastures that become unproductive once the...  
  3. 1991-01-19 Phosphorus deficiency is a major constraint to legume production in tropical and subtropical regions, particularly in acid soils. Responses of chickpea and pigeonpea to phosphorus in South Asia on predominantly neutral to alkaline soils, however, have been less than expected even when standard...  
  4. 1998-01-19 Efforts to protect, conserve and sustainably use tropical forests are gaining support worldwide. They include improved management of natural forests, the establishment of timber plantations, the planting of trees in agroforestry systems, and the promotion of the use of non-timber forest products...  

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