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  1. Key Resource 2003-04-01 Use of a new crop variety or production technique may dramatically increase food production in a given area. Alternatively, an innovation successful in North America may utterly fail in the tropics. The goal of “adaptive research” is to evaluate a particular innovation for its usefulness under...
  2. 1991-01-01 A non-mathematical introductory statistics text that combines clear explanation of concepts, an extensive coverage of useful statistical techniques, and numerous illustrations with live data from diverse fields. Emphasizes assumptions and limitations of the statistical methods so that violations...
  3. Full of facts and figures about the world today - on subjects as diverse as geography, population and demographics, business, finance and the economy, transport, tourism and the environment, society, culture and crime - this twenty-third annual edition of the Economist Pocket World in Figures is...
  4. 1995-07-19 The lure of statistics Diversity of farmers' strategies - Mali Improving network performance Landuse planning combining multicriteria computer models with participatory methodologies High quality experiments Variation: problem or solution? Culture, social relationship and indigenous economics on...