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Cereal crop productivity in developing countries: past trends and future prospects
This paper synthesizes the evidence on cereal crop poductivity in developing countries over the past 30 years and looks at future prospects for productivity in growth. For more than three decades we have witnessed the ...
The maize subsector in Paraguay: a diagnostic overview
The maize sector in Paraguay s going through a period of perplexing changes. Despite recent production gains, average maize yields remain far below those which could be achieved with relatively simple changes in management ...
Technical change in maize production: a global perspective
The stages of technological change in maize production in commercial and small-scale semisubsistence systems are discussed and variation in the use of improved varieties/hybrids and adoption of associated inputs are noted. ...