Resultados de búsqueda - Repsol~
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Forest-related conflict: impacts, links and measures to mitigate
Publicado 2008“…Forest tenure and governance reform will not resolve the most violent conflicts that play out in forests around the world. …”
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Libro -
Bumbling bureaucrats, sluggish courts and forum-shopping elites
Publicado 2010“…Scholars have indicated that conflicts over property assignment are resolved where more powerful individuals can either bear the costs of extended conflict or can credibly threaten retaliation. …”
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Journal Article -
Assessing deforestation from biofuels: methodological challenges
Publicado 2011“…In this article, we attempt to find the spatial relations between deforestation and biofuel production at global level by analyzing available global deforestation and biofuels data, and find that, for a variety of reasons relating to data availability and its characteristics, and the way biofuels are produced, this task is extremely difficult if not virtually impossible. …”
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Journal Article -
Policy and institutional frameworks for the development of palm oil–based biodiesel in Indonesia
Publicado 2011“…It also discusses possible reasons for the limited realisation of biofuel targets and explores the unintended consequences of legislation. …”
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Libro -
Integrating forage technologies on smallholder farms in the upland tropics
Publicado 2003“…This paper considers the reasons for this low level of adoption and how the situation has changed in recent years. …”
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Journal Article -
A strategy for technology development for semi-arid sub-Saharan Africa
Publicado 1998“…These constraints must be simultaneously resolved but the strategy needs to be adapted for different soil characteristics and economic environments. …”
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Journal Article -
Characterization of the parasite-host cell interactions involved in Theileria parva sporozoite invasion of bovine lymphocytes
Publicado 1996“…While only a few experimental conditions specifically blocked sporozoite binding, a wider range of reagents and treatments inhibited parasite entry. The reasons for this are discussed in terms of the nature of the zippering process that facilitates sporozoite internalization.…”
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Journal Article -
Taking stock of forty years of agricultural water management interventions in smallholder systems of Burkina Faso
Publicado 2014“…Between 1970 and 2009, 195 bilateral and multilateral AWM projects were implemented in Burkina Faso, corresponding to an investment of US$ 641 million.The study of the evolution of these projects allows one to assess the reasons for their success or failure. While projects involved many technical solutions, their actual impact on livelihoods is debatable. …”
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Journal Article -
Mobiliser les connaissances et les perceptions des agriculteurs pour reduire les risques sanitaires de l’agriculture irriguee avec des eaux usees. In French. [Harnessing farmers’ k...
Publicado 2011“…Where health benefits for farmers and consumers are not sufficient reasons for the adoption of safer practices, other triggers have to be identified as well as appropriate communication channels for effective outreach.…”
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Capítulo de libro -
Harnessing farmers? knowledge and perceptions for health-risk reduction in wastewater-irrigated agriculture
Publicado 2010“…Where health benefits for farmers and consumers are not sufficient reasons for the adoption of safer practices, other triggers have to be identified as well as appropriate communication channels for effective outreach.…”
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Capítulo de libro -
Pesticides: Health impacts and alternatives. Proceedings of a workshop held in Colombo, 24 January 2002
Publicado 2002“…The International Water Management Institute (IWMI) has, for many years, been involved in research on pesticide poisoning to analyse the reasons for the high number of pesticide poisoning cases in Sri Lanka and discuss ways of controlling the problem through changes in agricultural practices and community involvement. …”
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Artículo preliminar -
Integrating forage technologies on smallholder farms in the upland tropics
Publicado 2003“…This paper considers the reasons for this low level of adoption and how the situation has changed in recent years. …”
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Journal Article -
Economic implications of the control of East Coast fever in eastern, central and southern Africa
Publicado 1993“…The disease is conventionally controlled by acaricides and chemotherapy, however, these methods of control have become less reliable, acceptable and sustainable for a variety of reasons. These included the high cost of acaricides and drugs paid for in foreign currency, poor maintainance of dips or spray races, water shortages, acaricide resistance, illegal cattle movements, contamination of the environment or food with toxic residues and alternative tick hosts. …”
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Conference Paper -
The evolution of regional trials and collaboration in Central America, 1955 to 1988
Publicado 1989“…In 1969, it was proposed that regional collaboration be extended to other disciplines but, for various reasons, this was not accomplished. Similarly, the regional trials system was abandoned. …”
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Conference Paper -
The nature of public agricultural spending in southern Africa
Publicado 2013“…In order to pursue the goals set out in this paper, analysis focused mainly on data on agricultural public expenditure for Angola, Botswana, the Democratic Republic of the Congo, Lesotho, Madagascar, Malawi, Mauritius, Mozambique, Namibia, South Africa, Swaziland, Zambia and Zimbabwe. …”
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Journal Article -
Effects of weather variability on crop abandonment
Publicado 2015“…In Zambia, every year some parts of the maize fields are abandoned post-planting. Reasons for this are not clearly known. In this paper, we examine the influence of soil and climatic factors on crop abandonment using a six-year (2007–2012) panel data by modeling the planted-to-harvested ratio (a good indicator of crop abandonment) using a fractional and linear approach. …”
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Journal Article -
Informe preliminar sobre la aceptación de BAT 1297 en la zona cafetera de Caldas
Publicado 1985“…The study indicated that 86 percent of farmers will continue to plant `BAT 1297` if the market is guaranteed, but only 14 percent would plant it for personal consumption. Among the reasons stated by farmers for planting `BAT 1297`, 35 percent were taking advantage of the ratoon of the coffee crop; 20 percent planted it as a trial; 16 percent because of a recommendation from FEDECAFE, and 14 percent because it fixes nitrogen. …”
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Informe técnico -
Using ceres-maize model to determine the nitrogen fertilization requirements of early maturing maize in the sudan savanna of Nigeria
Publicado 2017“…The model predicted grain yield and harvest index reasonably well for the two varieties. Increasing N application from 0 to 30 kg N ha−1, increased grain yield by 105%, when nitrogen (N) rate was increased to 60 kg N ha−1, grain yield increased by 226%. …”
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Journal Article -
The database of the PREDICTS (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems) project
Publicado 2017“…The PREDICTS project—Projecting Responses of Ecological Diversity In Changing Terrestrial Systems (www.predicts.org.uk)—has collated from published studies a large, reasonably representative database of comparable samples of biodiversity from multiple sites that differ in the nature or intensity of human impacts relating to land use. …”
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Journal Article -
Groundwater arsenic in Bangladesh: what's new for policy research?
Publicado 2018“…An examination of the number of people protected through two major remediation efforts suggests that recent progress may not be sufficient to keep up with the increasing population or to resolve the crisis during this century. Recent developments in remedial options are examined to identify their potential role in an evolving policy and research agenda. …”
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Journal Article