In this chapter we analyze the considerations that lead policy makers to undertake extension investments as a key public responsibility, as well as the complex set of factors and intra-agency incentives that explain why different extension systems' performance varies. Accordingly, the chapter...

This paper examines the likely impact on agriculture of the climate change which has already taken place between 1960 and 2000. Accumulating greenhouse gases have caused global temperatures to rise approximately 0.25[thin space][degree sign]C during this period and for precipitation patterns to...

This chapter describes the impact of national agricultural research systems on the unfolding of the Green Revolution in four regions: Asia, Latin America, the Middle East and North Africa, and Sub-Saharan Africa. Although international institutions contributed much of the research that led to...

Demand for fertilizer in developing countries has expanded at a rapid rate over the past forty years. The relative scarcity of agricultural land has been a major underlying cause of this expansion in demand. More proximate causes include the development of complementary Green Revolution...

This chapter serves to assess the quantity and impact of private agricultural research in developing countries, alongside the policies which affect that research. To provide context, an outline of the history, size and structure of private research presents data on research expenditures by...

This paper reviews the tools applied in plant biotechnology and explores the prospects for biotechnology to generate benefits for developing countries. Possible near-term applications are identified. Needed capability in biological research, intellectual property management and biosafety are...

The post-World War II era has witnessed a drastic increase in irrigation activities that have contributed substantially to the massive growth in agricultural production that enables humanity to feed its doubling population. However, a distinction has to be made between the overall positive...

This chapter assesses livestock productivity in the developing world in the context of growing demand for livestock products and substantial changes in the structure of food demand, commercialization of production, and growing importance of international markets. Issues related to the roles of...

This chapter evaluates soil quality and agricultural development. Estimates of soil erosion, in terms of losses to farm income range from a high of $25 billion per year to a low of $100 million per year. Crosson estimates that the $100 million figure is the most reliable. Crosson notes that this...

It is widely believed that land markets, including both land sales and tenancy markets, are neither efficient nor conducive to social equity. It is often argued that tenants, particularly share tenants, do not have proper incentives to work and invest, partly because of the disincentive effects...