Resultados de búsqueda - "economics"

Cost of doing a research: comparing participatory and conventional silviculture research in Nepal por Acharya, K, Goutam, K

“…The diverse needs of communities living in different climatic and ecological zones and under different socio-economic conditions have imposed a pattern of a multitude of localized forestry research studies in Nepal. …”
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Drivers of the adoption of farmer-innovated sprinkler irrigation systems: evidence from Kalpitiya, Sri Lanka por Aheeyar, Mohamed M. M., Manthrithilake, Herath, Pathmarajah, S.

“…Adoption of this sprinkler system for irrigation has increased the net sown area, net irrigated area and cropping intensity, resulting in significant economic returns and welfare gains. The low-cost sprinkler innovations are considered as an input cost that is recoverable within a year or two, rather than a long-term capital investment. …”
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Effects of traditional soil management practices on the nutrient status in Sahelian sandy soils of Niger, West Africa por Suzuki, K., Matsunaga, R., Hayashi, K., Matsumoto, N., Tabo, Ramadjita, Tobita, S., Okada, Kensuke

“…Furthermore, thefindings suggestthat corralling is a more economical and useful practice than the others; livestock are moved around and dropmanure directly on the farmland, thus the loss of OM in transportation and the labor requirement are also low…”
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Analyses of mitochondrial genes reveal two sympatric but genetically divergent lineages of Rhipicephalus appendiculatus in Kenya por Kanduma, Esther G., Mwacharo, Joram M., Githaka, Naftaly W., Kinyanjui, P.W., Njuguna, J., Kamau, L.M., Kariuki, E., Mwaura, S., Skilton, Robert A., Bishop, Richard P.

“…Background The ixodid tick Rhipicephalus appendiculatus transmits the apicomplexan protozoan parasite Theileria parva,which causes East coast fever (ECF), the most economically important cattle disease in eastern and southern Africa. …”
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Picturing impact of the PEDIGREA program: a case study from Indramayu, Indonesia por Wienarto, Nugroho, Kuswara, Engkus, Hakim, Arief

“…Other approaches are relying on aerial planning and interactive participation techniques, iterative appraisal approaches, and socio-economic impacts. Comparing these approaches reveals that a wide scope of options for monitoring impact is available. …”
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Waking the Sleeping Giant: Agricultural intensification, extensification or stagnation in Mali's Guinea Savannah por Ollenburger, M.H., Descheemaeker, Katrien K., Crane, Todd A., Sanogo, O.M., Giller, Kenneth E.

“…The World Bank argued that West Africa's Guinea Savannah zone forms part of “Africa's Sleeping Giant,” where increases in agricultural production could be an engine of economic growth, through expansion of cultivated land in sparsely populated areas. …”
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Rift Valley fever virus seroprevalence among ruminants and humans in northeast Kenya por Lindahl, Johanna F., Njeru, I., Karanja, J., Grace, Delia, Bett, Bernard K.

“…Kenya has suffered repeated serious outbreaks of RVF, with high morbidity in humans and animals, and also severe economic consequences. In the northern of Kenya, a hot spot for RVF outbreaks, there are continuous expansions of irrigation schemes, which enable the societies to be less susceptible to droughts. …”
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Screen house and field resistance of taro cultivars to taro leaf blight disease (Phytophtora colocasiae) por Fokunang, C.N., Mbong, G., Manju, E., Tembe-Fokunang, E.A., Hanna, R.

“…Introduction: Taro leaf blight disease cause by Phytophtora colocasiae has become an economic disease in Cocoyam growing regions of Cameroon. …”
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GF120 effects on fruit fly species (Diptera Tephritidae) in Sahelian agroforestrybased horticultural cropping systems por Zakari-Moussa, O., Ratnadass, A., Vayssières, Jean-François, Nikiema, A., Fatondji, D., Salha, H., Aboubacar, K., Ryckewaert, P., Pasternak, D.

“…In the water-saving and income-generating agroforestry cropping systems developed and promoted by the ICRISAT in the Sudano-Sahelian zone of West Africa, particularly in Niger, fruits of domesticated Ziziphus mauritiana (“apples of the Sahel”) are severely damaged by fruit flies (Carpomya incompleta), and chemical pesticide application poses economic, environmental and human health problems. …”
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GIS based gap analysis as a tool for biodiversity conservation optimisation: the IITA cowpea collection por Rysavy, A., Dumet, D., Sonder, Kai, Sauerborn, J.

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Development of molecular genomic tools for verification of intergeneric hybrids between castor bean (Ricinus communis L.) and cassava (Manihot esculenta Crantz) por Gedil, Melaku A, Kolade, F., Raji, A., Ingelbrecht, I.L., Dixon, A.

“…Despite its relatively recent introduction to Africa, cassava (Manihot esculenta Crantz) has become a major food crop adapted to a wide range of agro-ecologies that is grown by millions of small-holding farmers of sub-Saharan Africa (SSA), owing to its remarkable tolerance to an array of biotic and abiotic stresses. Its economic importance is expected to grow further as evidenced by global consideration of cassava as an alternative source of renewable energy (biofuel) that prompted genome sequencing initiative of the crop. …”
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Soil fertility management in sub-Saharan Africa por Masso, C., Nziguheba, Generose, Mutegi, J., Galy-Lacaux, C., Wendt, J., Butterbach-Bahl, Klaus, Wairegi, L.W.I., Datta, A.

“…Our major findings are: (1) most countries have not been able to meet the fertilizer target of 50 kg nutrients ha−1 by 2015 in the 2006 Abuja Declaration; over 65% of the smallholder farmers have not used fertilizer and 75% of the agricultural soils have been affected by nutrient depletion. (2) Poor agricultural practices have resulted in an average annual nutrient loss of 50 kg ha−1, which represented an equivalent of US$ four billion lost in 2008 and an estimated economic cost of up to 18% of the gross domestic product in addition to eutrophication of water bodies. (3) Value cost ratios of agricultural inputs that are less than three are common, which has limited the profitability of integrated soil fertility management practices…”
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Evaluation of cowpea genotypes for their reactions to Striga gesnerioides in the dry savanna of northeast Nigeria por Omoigui, L.O., Kamara, A.Y., Massawe, F.S., Ishiyaku, M.F., Boukar, O., Alabi, S.O., Ekeleme, F.

“…One practice, host plant resistance, appears to have merit in effectively and economically controlling the parasite in that it is affordable to farmers. …”
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Model results versus farmer realities: Operationalizing diversity within and among smallholder farm systems for a nuanced impact assessment of technology packages por Michalscheck, M., Groot, Jeroen C.J., Kotu, Bekele Hundie, Hoeschle-Zeledon, Irmgard, Kuivanen, K., Descheemaeker, Katrien K., Tittonell, Pablo A.

“…We selected one representative farm per type and per region to assess and compare their socio-economic and environmental performance (farm profitability, labour and soil organic matterinputs) using the whole-farm model Farm DESIGN. …”
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Engaging smallholder-farmers in model-based identification of alternative options, trade-offs and synergies for sustainable intensification in North-Tanzania por Kirimbo, G.E.

“…We used the farm-scale model, FarmDESIGN, to explore alternative options for differently resource endowed farms to enhance their farm performances in terms of economic, environmental and social indicators by combining the current farm resources with the AR interventions. …”
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Exploring the yield gap of orange-fleshed sweet potato varieties on smallholder farmers' fields in Malawi por Vugt, D. van, Franke, A.C.

“…Using linear mixed models, a range of biophysical, climatic, management and socio-economic factors and variables was used to identify associations with these dependent variables. …”
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Inception Report: Feed the Future for Climate-Smart Cocoa Program por CGIAR Research Program on Climate Change, Agriculture and Food Security

“…This commitment is driven by their business model and by concerns about economic and social sustainability. Climate change adaptation and mitigation are new on the radar and some new exciting initiatives exist. …”
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Impacts of Land Use on Indian Mangrove Forest Carbon Stocks: Implications for Conservation and Management por Bhomia, R.K., Mackenzie, R.A., Murdiyarso, Daniel, Sasmito, S.D., Purbopuspito, J.

“…Harvesting or destructive exploitation of mangroves by local communities for economic gains can potentially be minimized by enabling these communities to avail themselves of carbon offset/conservation payments under approved climate change mitigation strategies and actions.…”
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The impacts of hydropower and mining on water quality: an example from the Nam Ngum catchment, Lao PDR por Kallio, M.

“…Water resources are of major environmental, social and economic value everyone, and if water quality becomes degraded this resource will lose its value. …”
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Discharge estimation and forecasting by MODIS and altimetry data in Niger-Benue River por Tarpanelli, A., Amarnath, Giriraj, Brocca, L., Massari, C., Moramarco, T.

“…The lack of adequate monitoring networks, especially in developing countries prevents near real-time flood prediction that could help to reduce the loss of lives and economic damages. In the last few years, increasing availability of multi-satellite sensors induced to develop new techniques for retrieving river discharge and especially in supporting discharge nowcasting and forecasting activities. …”
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