Resultados de búsqueda - "Chang’an"

Participatory research in Ikulwe-Iganga District, Uganda por Kayuki, KC, Wortmann, Charles S.

“…However, the priorities change as new problems are identified during regular semi-annual planning and evaluation meetings. …”
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Using a system dynamics framework to assess disease risks of pig value chains in Vietnam por Thi Thu Huyen Nguyen, Nam Ha Duong, Van Hung Pham, Thi Duong Nga Nguyen, Unger, Fred, Rich, Karl M., Lapar, Ma. Lucila

“…Recent studies have shown significant changes in consumption behaviour in response to disease outbreaks. …”
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Performance of Toggenburg dairy goats in smallholder production systems of the eastern highlands of Kenya por Ahuya, C.O., Ojango, Julie M.K., Mosi, R.O., Peacock, C.P., Okeyo Mwai, Ally

“…Genetic and phenotypic trends indicated little change in BW, CW and LMY over the years. The phenotypic trend in the kidding interval showed a reducing interval over time. …”
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Coping with water scarcity in the irrigated lowlands of the lower Amudarya basin, Central Asia por Bekchanov, Maksud, Lamers, John P.A., Martius, C.

“…To this end, several field-level ‘water-wise’ innovations were selected, which are classified into four groups that address crop pattern change, soil moisture maintenance, uniform water distribution, and furrow irrigation improvement. …”
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Effects of nitrogen fertilizer and manure application on storage of carbon and nitrogen under continuous maize cropping in Arenosols and Luvisols of Zimbabwe por Mujuru, Lizzie, Rusinamhodzi, Leonard, Hoosbeek, M.R., Nyamangara, Justice

“…Soil organic matter (SOM) is important for long-term crop productivity through maintenance of soil quality and is also now receiving attention due to its potential for climate change mitigation. The objectives of the present study were to investigate the effects of 9 years of fertilization on soil organic carbon (SOC) and total organic nitrogen (TON) and their fractions for the 0–50 cm profile in clayey (Luvisols) and sandy (Arenosols) soils in Murewa District, Zimbabwe. …”
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Review of seasonal climate forecasting for agriculture in sub-Saharan Africa por Hansen, James, Mason SJ, Sun L, Tall, Arame

“…We conclude with a discussion of institutional and policy changes that we believe will greatly enhance the benefits of seasonal forecasting to agriculture in SSA…”
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Emerging pests and diseases of Southeast Asian cassava: a comprehensive evaluation of geographic priorities, management options and research needs por Graziosi, Ignazio, Minato, Nami, Álvarez, Elizabeth, Ngo, Dung Tien, Trinh, Hoat Xuan, Aye, Tin Maung, Pardo, Juan Manuel, Wongtiem, Prapit, Wyckhuys, Kris A.G.

“…Although all main pests and diseases are non‐natives, we hypothesise that accelerating intensification of cropping systems, increased climate change and variability, and deficient crop husbandry are aggravating both organism activity and crop susceptibility. …”
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Abiotic stress research in crops using -omics approaches: drought stress and banana in the spotlight por Kissel, E., Vanhove, A.C., García, S., Panis, Bartholomeus, Rouard, M., Cenci, A., Roux, N., Zorrilla, J., Swennen, Rony L., Carpentier, Sebastien C.

“…To phenotype different Musa accessions belonging to different genomic groups, we monitored multiple non-destructive and destructive phenotypic plant variables in response to changing water availability. We used multivariate analysis to classify the different variables according to their contribution in explaining the observed variance between accessions. …”
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Increasing smallholders' intensity in cassava value web: effect on household food security in Southwest Nigeria por Adeyemo, T.A., Abass, A., Amaza, P., Okoruwa, V., Akinyosoye, V., Salman, K.K.

“…The study also found that smallholders are rational and respond to changes in market conditions for their products and are willing to take more active roles in the cassava value web. …”
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Comparative multicriteria assessment of climate policies and sustainable development strategies in Cameroon: towards a GIS decisionsupport tool for the design of an optimal REDD+ s... por Kehbila, A.G., Alemagi, D., Minang, Peter A.

“…Given the lack of adequate flexibility, prompt review and responsiveness of these cross-sectoral policies to adapt themselves to new realities and respond to a changing environment, this paper introduces a GIS-REDD+ decision support system (GIS-REDD+DSS) that is necessary to support the adaptive element of an adaptive REDD+ strategy in Cameroon. …”
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Global foot-and-mouth disease research update and gap analysis: 3 – Vaccines por Robinson, L., Knight-Jones, Theodore J.D., Charleston, B., Rodríguez, L.L., Gay, C.G., Sumption, Keith J., Vosloo, W.

“…Improvements in the performance or cost-effectiveness of FMD vaccines will allow more widespread and efficient disease control. FMD vaccines have changed little in recent decades, typically produced by inactivation of whole virus, the quantity and stability of the intact viral capsids in the final preparation being key for immunogenicity. …”
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A comparison of statistical and participatory clustering of smallholder farming systems - a case study in Northern Ghana por Kuivanen, K.S., Michalscheck, Mirja, Descheemaeker, Katrien K., Adjei-Nsiah, Samuel, Mellon-Bedi, S., Groot, Jeroen C.J., Álvarez, S.

“…Other sources of dissimilarity which contributed to limited overlap between the typologies included changes that occurred in the communities between the two data collection efforts and inaccuracies in the data. …”
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Genomic and proteomic analysis of Schizaphis graminum reveals cyclophilin proteins are involved in the transmission of cereal yellow dwarf virus por Tamborindeguy, C., Bereman, M., DeBlasio, S., Igwe, D., Smith, M., White, F., MacCoss, M., Gray, S.M., Cilia, M.

“…The present study revealed the two proteins were isoforms, and a single amino acid change distinguished S28 and S29. The distribution of the two alleles was determined in 12 F2 genotypes segregating for CYDV-RPV transmission capacity and in 11 genetically independent, field-collected S. graminum biotypes. …”
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Income and asset poverty among pastoralists in northern Kenya por Mburu, Samuel, Sousa-Poza, Alfonso, Otterbach, Steffen, Mude, Andrew G.

“…At the same time, the threats from persistent droughts have escalated, with Northern Kenya recording 28 major droughts in the past 100 years and 4 in just the last 10 years and given the changing global climate, this trend is likely to continue or even worsen. …”
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The use of system dynamics modelling methodologies in sheep breeding programs and management systems por Tadel, K., Wurzinger, Maria, Gizaw, Solomon, Haile, Aynalem, Rischkowsky, Barbara A., Sölkner, Johann

“…A weather and resource driven stochastic herd model was developed to evaluate the effect of genetic improvement and change in management system on herd dynamics and profitability. …”
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Transdisciplinary weed research: new leverage on challenging weed problems? por Jordan, N., Schut, Marc, Graham, S., Barney, J.N., Childs, D.Z., Christensen, S., Cousens, R.D., Davis, A.S., Eizenberg, H., Ervin, D.E., Fernández Quintanilla, C., Harrison, L.J., Harsch, M.A., Heijting, S., Liebman, M., Loddo, D., Mirsky, S.B., Riemens, M., Neve, P., Peltzer, D.A., Renton, M., Williams, M., Recasens, J., Sonderskov, M.

“…In practice, TWR can be undertaken as a cyclic process of (i) initial problem formulation, (ii) ‘broadening’ of the problem formulation and recruitment of stakeholder participants, (iii) deliberation, negotiation and design of an action agenda for systemic change, (iv) implementation action, (v) monitoring and assessment of outcomes and (vi) reformulation of the problem situation and renegotiation of further actions. …”
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Bean Program: The VEF(IBN)-EP-IBYAN scheme por International Center for Tropical Agriculture

“…The three nurseries were at the disposal of the national programs that, accordingly, received the best advanced materials of the three CIAT bean breeders through this channel. The VEF later changed its name to IBN (International Bean Nursery). …”
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Evaluating the effectiveness of water infrastructures for increasing groundwater recharge and agricultural production – a case study of Gujarat, India por Chinnasamy, Pennan, Misra, Gourav, Shah, Tushaar, Maheshwari, B., Prathapar, Sanmugam A.

“…In addition, Normalised Difference Vegetation Index (NDVI) data from the Moderate Resolution Imaging Spectrometer (MODIS) sensor was used to show changes in seasonal cropped areas during the same period. …”
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Economic analysis of tropical forages in livestock systems in the eastern plains of Colombia por Enciso, Karen, Burkart, Stefan, Gutiérrez Solís, Jhon Freddy, Arango, Jacobo, Peters, Michael

“…The feasibility of investment is highly sensitive to changes in the selling prices of the meat and expected returns. …”
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Comparative performance of top-cross maize hybrids under managed drought stress and variable rainfed environments por Menkir, A., Crossa, J., Meseka, S.K., Bossey, B., Ado, S.G., Obeng-Antwi, K., Yallou, C., Coulibaly, N., Olaoye, G., Alidu, H.

“…The rank orders for hybrid grain yields did not change markedly across different years under MDS and WW conditions. …”
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