Now showing items 31-40 of 125
Análisis del sistema paraguayo de investigación agropecuaria
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 ...
Analysis of participatory research projects in the International Maize and Wheat Improvement Center
Through a survey of scientists from the International Maize and Wheat Improvement Center (CIMMYT) in 2004, this study assessed the extent to which participatory methods had been used by the center, how they were perceived ...
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 ...
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 ...
Low use of fertilizers and low productivity in Sub-Saharan Africa
Up to the year 2000 and beyond, the population of SSA is expected to grow at a rate of more than 3% per year, while food production is likely to grow at a rate of 2% or less a year. Closing this gap and increasing food ...
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 ...