Narrow search
Showing 1 - 10 of 115
Cover Image
Are the economic benefits of Bt cotton sustainable? Evidence from Indian panel data
Kathage, Jonas; Qaim, Matin - 2011
While several studies have shown that genetically modified Bt cotton can benefit smallholder farmers economically, the sustainability of these effects is still unclear and debated controversially between biotechnology proponents and critics. We use unique panel data of 533 cotton farmers,...
Persistent link: https://www.econbiz.de/10010329975
Cover Image
Economics of Soil Conservation Adoption in High-Rainfall Areas of the Ethiopian Highlands
Kassie, Menale; Holden, Stein; Köhlin, Gunnar; … - 2008
This study measures the impact of fanya juu bunds (an important soil and water conservation technology and the most popular type of contour bund in east Africa) on the value of crop production in a high-rainfall area in the Ethiopian highlands using cross-sectional multiple plot observations. We...
Persistent link: https://www.econbiz.de/10010541866
Cover Image
Sustainable Agricultural Practices and Agricultural Productivity in Ethiopia: Does Agroecology Matter?
Kassie, Menale; Zikhali, Precious; Pender, John; … - 2009
, we sought to investigate whether reduced tillage results in more or less productivity gain than chemical fertilizer. The … crop productivity in the low-rainfall region. In the high-rainfall region, however, chemical fertilizer is overwhelmingly …
Persistent link: https://www.econbiz.de/10010541899
Cover Image
Sustainable Agricultural Practices and Agricultural Productivity in Ethiopia: Does Agroecology Matter?
Kassie, Menale; Zikhali, Precious; Pender, John; … - 2011
This paper uses data from household- and plot-level surveys conducted in the highlands of the Tigray and Amhara regions of Ethiopia to examine the contribution of sustainable land-management practices to net values of agricultural production in areas with low- and high-agricultural potential. A...
Persistent link: https://www.econbiz.de/10009018417
Cover Image
Price transmission from international to domestic markets
Greb, Friederike; Jamora, Nelissa; Mengel, Carolin; von … - 2012
This study aims to improve our understanding of the extent and speed of the transmission of international cereal prices to local markets in developing countries. We analyse two samples of price transmission (PT) estimates, one extracted from a comprehensive literature sample of 31 published...
Persistent link: https://www.econbiz.de/10010329914
Cover Image
Tree Cover Loss in El Salvador's Shade Coffee Areas
Blackman, Allen; Ávalos Sartorio, Beatriz; Chow, Jeffrey - 2007
Shade coffee farms in Central America provide important ecological services. But because international coffee prices have fallen since 1990, many have been cleared to make way for more remunerative land uses. This problem is of particular concern in heavily deforested El Salvador, where a large...
Persistent link: https://www.econbiz.de/10005138467
Cover Image
Fast Track Land Reform and Agricultural Productivity in Zimbabwe
Zikhali, Precious - 2008
from the fact that they used more fertilizer per hectare, but also from attaining a higher rate of return from its use …
Persistent link: https://www.econbiz.de/10010541880
Cover Image
Biomass Fuel Consumption and Dung Use as Manure: Evidence from Rural Households in the Amhara Region of Ethiopia
Mekonnen, Alemu; Köhlin, Gunnar - 2008
food supply in sub-Saharan Africa. Fertilizer use in Ethiopia is one of the lowest in sub-Saharan Africa. Particularly in … the northern half of the Ethiopian highlands, use of dung as manure is also limited partly because of a significant level …’ decision to use dung as fuel and as manure, and (2) the determinants of consumption of woody biomass and dung as household fuel …
Persistent link: https://www.econbiz.de/10010541868
Cover Image
Wood Bioenergy and Land Use: A Challenge to the Searchinger Hypothesis
Sedjo, Roger A.; Sohngen, Brent; Riddle, Anne - 2013
A concern of many environmentalists is that the use of biomass energy will decimate the forests. Searchinger et al. (2008, 2009) examined this issue related to corn ethanol and suggested that substituting corn ethanol for petroleum would increase carbon emissions associated with the land...
Persistent link: https://www.econbiz.de/10010709636
Cover Image
Forest Carbon Sequestration: Some Issues for Forest Investments
Sedjo, Roger - 2001
A major problem being faced by human society is that the global temperature is believed to be rising due to human activity that releases carbon dioxide to the atmosphere, i.e., global warming. The major culprit is thought to be fossil fuel burning, which is releasing increasing amounts of carbon...
Persistent link: https://www.econbiz.de/10005442501