Resultados de búsqueda - "Chang’an"

Weeding method and pre-sowing tillage effects on weed growth and pearl millet yield in a sandy soil of the West African Sahelian zone por Klaij, M.C., Hoogmoed, Willem

“…The continuous growing of millet did not change the amount of seasonal weed dry matter during the experiment.…”
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Recycling realities: managing health risks to make wastewater an asset por International Water Management Institute

“…The brief complements Catalyzing Change, the GWP handbook for developing IWRM and water efficiency strategies and plans, and the associated policy and technical briefs. …”
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Water and salt balance at irrigation scheme scale: a comprehensive approach for salinity assessment in a Saharan oasis por Marlet, S., Bouksila, F., Bahri, Akissa

“…These analyses enabled the magnitude of the salinization process to be foreseen as a function of hydrological changes linked to irrigation, drainage, groundwater flow and extension of the irrigated area. …”
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Trends in solar radiation due to clouds and aerosols, Southern India, 1952-1997 por Biggs, Trent W., Scott, Christopher A., Rajagopalan, Balaji, Turral, Hugh

“…Reports of decreased cloudiness in other parts of continental Asia suggest that the cloud-aerosol trade-off observed in the Krishna basin may be widespread, particularly during the rainy seasons when changes in clouds have large effects on incoming radiation compared with aerosol forcing.…”
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Water-use accounts in CPWF basins: Simple water-use accounting of the Nile Basin por Kirby, M., Eastham, Judy, Mainuddin, M.

“…The effect of climate change on rainfall in the Nile Basin is very uncertain, but temperature is expected increase by about 2°C by mid-century. …”
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Water-use accounts in CPWF basins: Models and Concepts por Kirby, M., Mainuddin, M., Eastham, Judy

“…The effect of climate change on rainfall in the Nile Basin is very uncertain, but temperature is expected increase by about 2°C by mid-century. …”
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The analysis of water management in Bukhara Oasis of Uzbekistan: historical and territorial trends por Abdullaev, Iskandar

“…The solutions to the water-environmental problems of the Bukhara Oasis can be only developed through detailed analysis of the past of irrigated agriculture and water management system.This research paper describes stages of development of irrigated agriculture and water management system of Bukhara oasis, tries to analyze general trends, water use, and management changes in the different stages.…”
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Wheat yield and tillage-straw management system × year interaction explained by climatic co-variables for an irrigated bed planting system in northwestern Mexico por Verhulst, Nele, Sayre, K.D., Vargas, M., Crossa, J., Deckers, J., Raes, Dirk, Govaerts, Bram

“…The PB-straw retained was the most stable in different climatic conditions, indicating that this management system could contribute to maintaining wheat yield in a changing climate scenario.…”
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A landscape planning and management tool for land and water resources management: an example application in northern Ethiopia por Tamene, Lulseged D., Bao Le Quang, Vlek, Paul L.G.

“…The modelling framework and its interfaces are designed to guide the user through a series of menus that: 1) allow input model parameters, adjusting coefficients, visualizing input parameters and executing the model; 2) enable changing land use and management practices and re-evaluating potential consequences; 3) allow viewing results in tabular, graphical or map form side-by-side; and 4) (re)-evaluating the respective impacts of management/conservation options. …”
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In planta gene expression analysis of Xanthomonas oryzae pathovar oryzae, African strain MAI1 por Soto Suárez, M., Bernal, D., González, C., Szurek, B., Guyot, R., Tohme, Joseph M., Verdier, Valerie M.

“…Although both the Asian and African strains of the pathogen, Xanthomonas oryzae pv. oryzae (Xoo), induce similar symptoms, they are nevertheless genetically different, with the African strains being more closely related to the Asian X. oryzae pv. oryzicola (Xoc). Results: Changes in gene expression of the African Xoo strain MAI1 in the susceptible rice cultivar Nipponbare were profiled, using an SSH Xoo DNA microarray. …”
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Crop management based on field observations: case studies in sugarcane and coffee por Cock, James H., Oberthür, Thomas, Isaacs, C., Läderach, Peter R.D., Palma, A, Carbonell Gonzalez, JA, Victoria, J., Watts, G, Amaya, A., Collet, L, Lema, G, Anderson, E

“…More recently modern science and research methods based on controlled experiments became the most visible instrument of technological change in agriculture, nevertheless farmers continued to develop and implement new technologies based on their own observations made under commercial conditions. …”
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Physicochemical, Functional, and Macromolecular Properties of Waxy Yam Starches Discovered from Mapuey (Dioscorea trifida) Genotypes in the Venezuelan Amazon por Pérez, E., Gibert, Olivier, Rolland Sabaté, Agnès, Jiménez, Y., Sánchez, T., Giraldo, A., Pontoire, B, Guilois, S, Lahon, MC, Reynes, M, Dufour, D.L.

“…Differential scanning calorimetry (DSC) analyses revealed onset gelatinization temperatures from 69.1 to 73.4 °C with high gelatinization enthalpy changes from 22.4 to 25.3 J g?1. All X-ray diffractograms of starches exhibit B-type crystallinity. …”
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Response of cassava genotypes to four biotic constraints in three agro-ecologies of Nigeria por Dixon, Alfred G.O., Ngeve, JM, Nukenine, EN

“…Genotypes 30572, 63397, 50395 and 4(2)1425 with low ACMD scores and low IPCA1 scores were the most stable to environmental changes as they combined resistance with stability of response. …”
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Stability of partial and complete resistance in rice to Pyricularia grisea under rainfed upland conditions in Eastern Colombia por Correa Victoria, Fernando J., Zeigler, Robert S.

“…After three seasons of evaluation, lines with high levels of resistance had a significantly lower rate of change to susceptible levels. The rice cultivar Oryzica Llanos 5 was selected at this site from a line with complete blast resistance and was released for commercial cultivation in blast-prone eastern Colombia. …”
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Escherichia coli O157 serotype in beef carcasses post slaughterhouse in Nairobi and Eldoret, Kenya por Kago, J., Kang'ethe, Erastus K., Wangoh, J., Makita, K.

“…Offloading at the butchery was done by the same person with no change over of clothes that could be soiled with blood.…”
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Lessons learned from the Boran Cattle Improvement Programme at Adami Tulu and Abernossa Cattle Multiplication and Improvement Centre in Ethiopia por Tegegne, Azage

“…A major destruction and damage occurred on the ranch in 1991 when there was a change in government. Infrastructure was destroyed, records were burnt and animals were either slaughtered or looted. …”
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Forest transitions and rural livelihoods: multiple pathways of smallholder teak expansion in Northern Laos por Newby, Jonathan Craig, Cramb, Rob, Sakanphet, Somphanh

“…Thus, even when it is smallholders driving the process of forest transition via piecemeal land-use changes, there is potential for resource-poor households to be excluded from the potential livelihood benefits or to be further impoverished by the transition. …”
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Adaptive livelihood strategies employed by farmers to close the food gap in semi-arid south eastern Zimbabwe por Murungweni, C., Wijk, Mark T. van, Giller, Kenneth E., Andersson, Jens A., Smaling, E.M.A.

“…These linkages among livelihood types are important factors in reducing vulnerability to change that only become visible as a result of this disaggregation. …”
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Determinants of the decision to participate in the marketing of goats by rural households in Ethiopia por Yitayew, A.

“…That is the negative sign of price risk premium shows that net sellers are not responsive to the change in price implying sellers that opt to sell are somewhat more desperate for cash. …”
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CPWF Medium Term Plan (2007-2009) por CGIAR Challenge Program on Water and Food

“… > Developments in 2005 and early 2006. > Changes to the CPMT strategic plan. > Research achievement highlights…”
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