Mostrando ítems 1-10 de 15
Narrowing the wheat gap in Sub-Saharan Africa: A review of consumption and production issues
Many African countries stand at the crossroads with respect to wheat. They may choose to let recent trends continue in which case imported wheat will likely become a staple food for most urban consumers. Alternatively, if ...
Wheat rusts and the costs of genetic diversity in the Punjab of Pakistan
The theory of impure public goods is used to demonstrate why farmers may nor grow wheat cultivars with the socially desirable level of rust resistance. First, they may grow cultivars that are high yielding though susceptible ...
Research for marginal environments: Are we underinvested?
Evidence is presented to show that adoption of modern wheat varieties in rainfed marginal environments of the developing world has lagged substantially compared to adoption in favoured well-watered areas. Possible reasons ...
Past and potential impacts of maize research in Sub-Saharan Africa: A critical assessment
Over the past twenty years, research progress in maize, the single most important food staple in sub-Saharan Africa, has been comparable to progress in other primarily smallholder maize systems in the developing world, ...
A joint-product analysis of the adoption of modern cereal varieties in developing countries
Semi-dwarf wheat varieties have been slow to diffuse in some regions despite their superior grain yield. This paper analyses varietal differences in yields of the joint products of grain and straw, the decision to adopt ...
Has the green revolution been sustained? The quantitative impact of the seed-fertilizer revolution in Pakistan revisited
Quantitative impacts of the Green Revolution on food production in the Pakistan Punjab are reviewed and the effects of different technologies on wheat yields over the past two decades decomposed. New quantitative evidence ...