Now showing items 1-10 of 10
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 ...
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 ...
Varietal change in post-green revolution agriculture: Empirical evidence for wheat in Pakistan
Yield gains may continue to be the most important factor affecting varietal change in post-Green Revolution agriculture, but they are often not as spectacular as in the initial shift to high-yielding varieties. A survey ...
The adoption of soil conservation technology in El Salvador: Linking productivity and conservation
Soil conservation practices were successfully disseminated and adopted among farmers in Guaymango, El Salvador, whereas farmers in two similar areas failed to adopt them. Adoption was successful in Guaymango for two reasons. ...