Resultados de búsqueda - "Decadence"

Looking back and moving forward: 50 years of soil and soil fertility management research in sub-Saharan Africa por Vanlauwe, Bernard, AbdelGadir, Abdel Aziz H., Adewopo, Julius, Adjei-Nsiah, Samuel, Ampadu-Boakye, T., Asare, R., Baijukya, Frederick P., Baars, E., Bekunda, Mateete A., Coyne, Danny L., Dianda, M., Dontsop Nguezet, Paul M., Ebanyat, Peter, Hauser, S., Huising, Jeroen, Jalloh, A., Jassogne, Laurence T.P., Kamai, N., Kamara, A., Kanampiu, F.K., Kehbila, A., Kintche, K., Kreye, C., Larbi, Asamoah, Masso, C., Matungulu, P., Mohammed, I., Nabahungu, L., Nielsen, F., Nziguheba, Generose, Pypers, Pieter, Roobroeck, D., Schut, Marc, Taulya, Godfrey, Thuita, Moses N., Uzokwe, Veronica N.E., Asten, Piet J.A. van, Wairegi, L.W.I., Yemefack, Martin, Mutsaers, H.J.W.

“…The scope, content, and approaches of soil and soil fertility management research have changed over the past decades in response to lessons learnt and internal and external drivers and this paper uses IITA as a case study to document and analyse the consequences of strategic decisions taken on technology development, validation, and ultimately uptake by smallholder farmers in SSA. …”
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Global challenges facing plant pathology: multidisciplinary approaches to meet the food security and environmental challenges in the mid‑twenty‑first century por Jeger, Michael, Beresford, Robert, Bock, Clive, Brown, Nathan, Fox, Adrian, Newton, Adrian, Vicent, Antonio, Xu, Xiangming, Yuen, Jonathan

“…We draw conclusions in each of these areas, but in reaching forward over the next few decades, these inevitably lead to further research questions rather than solutions to the challenges we anticipate.…”
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250 years of disturbance dynamics in a pristine old-growth Picea abies forest in Arkhangelsk region, north-western Russia por Khakimulina, Tatiana

“…Four such peaks were timed to decades 1850, 1890, 1930 (1920 – for transect 1) and 1980. …”
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Jordbrukspolitikens inverkan på mark- och arrendepriser i Sverige por Grönvall, Fredrik

“…Rental rates and land prices have gone through substantial changes the last two decades. The prices have both gone up and down since 1990 but from 1995 to 2008 land prices increased with 272 percent and rental rates with 61 percent. …”
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Regeneration and genetic transformation in cowpea por Machuka, J., Adesoye, A., Obembe, O.O.

“…Over the last three decades, sporadic efforts have been made to develop regeneration and transformation systems in cowpea ( Vigna unguiculata L. …”
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Weather insurance - a viable option in support of the development of Pacific local food crops and fisheries value chains por Cole, S., Francis, Judith Ann

“…In the last two decades, Pacific Island Countries (PICs) have suffered billions of dollars in damage and loss due to catastrophic weather events (e.g. cyclones, floods, drought) and other natural disasters (e.g. volcanic eruptions). …”
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Participation in ICT-based market information projects, smallholder farmers’ commercialisation, and agricultural income effects: findings from Kenya por Okello, J.J., Kirui, Oliver K., Gitonga, Z.

“…Agricultural projects that use information and communication technologies (ICT) to provide market information have increased considerably in developing countries in the last decade. These projects aim to strengthen smallholder farmers’ linkage to input and output markets. …”
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Private sector climate resilient agriculture co-investment reaches over 237,000 farmers in East Africa por Recha, John W.M., Osumba, Joab J.L., Shilomboleni, Helena, Demissie, Teferi Dejene, Radeny, Maren A.O., Byarugaba, Gloria, Wandera, Bright Asiimwe, Oggema, Sebastian, Keizer, Menno, Kasekende, Bashir, Solomon, Dawit

“…Farming communities in Eastern Africa face immense challenges in the second decade of the 21st century, including a continuing population increase, rising food prices, declining soil fertility and crop yields, limited access to land, poor market access and high inflation (Kristjanson et al. 2012). …”
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Better breeding research and partnerships enable 43 million farmers to access and grow stress-tolerant maize in sub-Saharan Africa por CGIAR Research Program on Maize

“…Investment over the past decade has increased breeding efficiency and varietal replacement. …”
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International Productivity Patterns: Accounting for Input Quality, Infrastructure, and Research por Craig, Barbara J., Pardey, Philip G., Roseboom, Johannes

“…In this paper, we present measures of land and labor productivity for a group of ninety‐eight developed and developing countries using an entirely new data set with annual observations spanning the past three decades. The substantial cross‐country and intertemporal variation in productivity in our sample is linked to both natural and economic factors. …”
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Animal-source foods: Their role in sustainable healthy diets por Leroy, Jef L., Alonso, Silvia

“…As part of the rapid evolution of diets in low- and middle-income countries (LMICs), consumption of animal-source foods (ASFs) has increased sharply in recent decades. This chapter examines ASFs as part of a sustainable healthy diet by exploring the beneficial role of ASFs in providing essential micronutrients in some age cohorts and populations in LMICs, the potential negative health impacts, and the environmental impacts associated with livestock production. …”
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Climate change and agricultural development por Rosegrant, Mark W., Wiebe, Keith D., Sulser, Timothy B., Mason-D’Croz, Daniel, Willenbockel, Dirk

“…Climate change will be a major driver of change in the agricultural sector in the coming decades, along with changes in population, income, urbanization, dietary preferences, and technology.1 Agriculture is unique among economic sectors in its dependence on temperature, precipitation, and other climate variables, and is thus unique in its sensitivity to changes in those variables. …”
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Measuring integration of agricultural markets por Traoré, Fousseini, Diop, Insa

“…The literature on tools for measuring market integration, particularly those developed for agricultural markets, has been subject to major developments in terms of approaches over the past two decades. This technical aims to provide an overview of the literature and tools for measuring agricultural markets integration, as well as their applications. …”
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From figures to facts: Making sense of socioeconomic surveys in the Democratic Republic of the Congo (DRC) por Marivoet, Wim, De Herdt, Tom

“…Over the last decades, both donor organizations and the national government have invested heavily in administering national-level surveys in the DRC. …”
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Assessing crop production and input use patterns in Ghana: What can we learn from the Ghana living standards survey por Quiñones, Esteban J., Diao, Xinshen

“…Agriculture is the backbone of the economy (McKay and Aryeetey, 2004) and the sector has served as the main driver for the growth over the last two decades (World Bank, 2007). Moreover, agriculture is the most important sector for poverty reduction and has helped the country become the first Sub-Saharan African country to achieve the first objective of Millennium Development Goals (MDG1) by halving the country's 1990 poverty rate before the 2015 target year.…”
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Crop production in Ethiopia: Regional patterns and trends: Summary of ESSP working paper 16 por Taffesse, Alemayehu Seyoum, Dorosh, Paul A., Asrat, Sinafikeh

“…Much of the increase in crop production in the past decade has been due to increases in area cultivated. …”
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Improving the measurement of food security por Headey, Derek D., Ecker, Olivier

“…Although food security measurement has been substantially expanded in recent decades, there persists significant dissatisfaction with existing measurement systems, especially in the wake of the global food and financial crisis. …”
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Re-establishing agriculture as a priority for development policy in Sub- Saharan Africa por Abdulai, Awudu, Delgado, Christopher L.

“…The concentration of low income countries in this region is high and under the present trends food insecurity will be growing rapidly over the next two decades. Inadequate national agricultural policies in the north and south have contributed to the poor performance of agriculture in Africa. …”
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Case study -- the shrimp export industry in Bangladesh: food safety in food security and food trade por Cato, James C., Subasinge, S.

“…This was only the beginning of the export market problems arising from substandard product safety and quality that Bangladesh’s shrimp industry faced over the next two decades. This case study illustrates the actions taken by Bangladesh, with the aid of external partners, to overcome substantial obstacles to participation in world shrimp markets.…”
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HIV/AIDs and food and nutrition security: from evidence to action por Gillespie, Stuart, Kadiyala, Suneetha

“…The HIV/AIDs pandemic is a global crisis with consequences that will be felt for decades to come. Thirty-nine million people are currently infected with the virus, including more than 25 million from Sub-Saharan Africa. …”
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