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SINCE THE mid-1960s, rice farmers in the irrigated areas of Asia have rapidly adopted `Green Revolution` rices because of their responsiveness to nitrogen fertilizer and their higher yields, shorter crop duration, and shorter stature. Such cultivars were well suited to systems with good water con...
This chapter attempts to systematically examine some of the main analytical arguments and empirical evidence regarding the impact of technological progress in agriculture on deforestation. Three factors have been highlighted that are important in determining deforestation outcomes: (1) the type o...
The ultimate interest of investors in agricultural research and Development (R&D) is the extent to which their investment eventually bears a positive outcome on the lives of the poor and hungry people of developing nations without seriously harming the natural resource base. Consequently, most do...
Sorghum and millet are important for human consumption in marginal rainfall regions, for low income consumers in other regions and for beer production in Zimbabwe. After independence the research and policy emphasis on sorghum shifted towards communal farmers, from red-seeded to the white-seeded ...
At independence in 1960, Africa was a modest food exporter while Asia was engulfed in a food crisis. The Green Revolution boosted food production in Asia and the global food problem shifted to Africa. However, science and technology have been promoted on an ad hoc basis in Africa's 45 years of in...
Pearl millet is the most widely grown and utilized cereal in northern Namibia especially in Ovambo and Kavango regions. A millet variety was identified in the late 1980s from the Sorghum and Millet Improvement Program nursery in 1986 and officially released in 1990, under the name Okashana 1. Thi...
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