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Setting the Stage
Identification and Use for Agriculture
Tales of Dissemination in Agriculture
Health Research and Health Systems
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achieve action activities Africa agencies agricultural production agricultural research approach appropriate areas assessment become capacity centers century CGIAR chapter concern constraints critical crop cultivation demand developing countries disease economic effects efforts environment environmental established example existing experience extension farmers farming fragile funding given global groups growth health research human impact important improved increased inputs institutions International involved issues knowledge land limited major ment models monitoring NARS natural needs organizations particularly percent planning plant political poor population possible potential practices present Press problems production programs projections rates region Report responsibility result rural scientists sector social soil sources specific strategy strengthening structure studies successful sustainable tion tropical United University World yield
Page 14 - The greatest Invention of the 19th century was the Invention of the method •of invention.
Page 6 - No doubt they never expected the rise in income per head that has made us so much richer than they ever dreamed was possible. But that only reinforces the point that the future may be too important to be left to the accident of mistaken expectations and the ups and downs of the Protestant ethic.
Page 6 - Africa (Pingali, Bigot, and Binswanger, 1987). At low levels of population density, these systems were sustainable over long periods of time. As population density increased, short fallow systems emerged. Where the shift to short fallow systems occurred slowly, as in Western Europe and East Asia, systems of farming that permitted sustained growth in agricultural production emerged. Where the transition to short fallow has been forced by rapid population growth, the consequence has often been soil...