Now showing items 1123-1142 of 4064

    • Ecology and epidemiology in R: Disease progress over time 

      Sparks, Adam H.; Esker, P.D.; Bates, M.; Dall'Acqua, W.; Guo, Z.; Segovia, V.; Silwal, S.D.; Tolos, S.; Garrett, Karen A. (St. Paul, MN: The American Phytopathological Society, 2008)
      This online training module shows how to analyze disease progress over time using the free R programming environment. Students reading this module will be able to assess and interpret disease progress, and apply modeling ...
    • Ecology and epidemiology in R: Modeling dispersal gradients 

      Esker, P.D.; Sparks, Adam H.; Bates, M.; Dall'Acqua, W.; Frank, E.E.; Huebel, L.; Segovia, V.; Garrett, Karen A. (The American Phytopathological Society, 2007)
      This training module shows how to model and analyze pathogen dispersal using the free R programming environment.
    • Ecology and epidemiology in R: Spatial pattern analysis 

      Sparks, Adam H.; Esker, P.D.; Antony, G.; Campbell, L.; Frank, E.E.; Huebel, L.; Rouse, M.N.; Van Allen, B.; Garrett, Karen A. (St. Paul, MN: The American Phytopathological Society, 2008)
      This online training module shows how to analyze disease spatial patterns using the free R programming environment. Students reading this module will learn the types of spatial patterns, and be able to differentiate between ...
    • Ecomarkets Project for Costa Rica 

      Costa Rican Ministry of Environment and Energy (2007-02-15)
      The Costa Rican Government, the World Bank and the Global Environment Facility developed a partnership to improve sustainable forest management practices on privately owned small parcels of land. It will conserve biodiversity, ...
    • Economias Rurales y Servicios Financieros en Bolivia 

      Jiménez, Elizabeth (2007)
      The objective of this presentation was to (1) identify stratification of households in peasant economies as a result of differences in capitals and livelihood strategies, (2) to assess the extent in which risk perceptions ...
    • Economic action and social structure: The problem of embeddedness 

      Granovetter, M. (Chicago, IL: University of Chicago Press, 1985)
      The origin of the concept of "embeddedness", this article has been highly influential in guiding how social scientists conceptualize the interplay between markets and social relations. Rejecting the extremes of an "under" ...
    • Economic analysis of conservation agriculture in maize-based farming system in Nepal 

      Paudel, B.; Chan-Halbrendt, Catherine; Norton, George W.; Nguema, A.; Limbu, P.; Radovich, T.; Crow, S.; Halbrendt, Jacqueline (Honolulu HI: College of Tropical Agriculture and Human Resources, Department of Natural Resources and Environmental Management, 2013)
      A linear programming technique was used to estimate the revenue maximizing allocation of land for a representative household using conservation agriculture production system (CAPS) and farmers’ traditional practices. The ...
    • Economic analysis of conservation agriculture in maize-based farming systems in Nepal 

      Paudel, B.; Chan-Halbrendt, Catherine; Norton, George W.; Nguema, A.; Sharma, G.B. (Honolulu HI: College of Tropical Agriculture and Human Resources, Department of Natural Resources and Environmental Management, 2013)
      A linear programming technique was used to estimate the revenue maximizing allocation of land for a representative household using conservation agriculture production system (CAPS) and farmers’ traditional practices. Four ...
    • Economic analysis of environmental benefits of integrated pest management: A Philippine case study 

      Cuyno, L.C.M,; Norton, George W.; Rola, Agnes C. (Elsevier Science, 2001)
      Health and environmental concerns associated with pesticide use have motivated the development of integrated pest management(IPM) programs around the world. Little empirical work has been completed to estimate the value ...
    • Economic analysis of farm labor and profitability of three tribal villages in Nepal 

      Reed, B.; Chan-Halbrendt, Catherine; Halbrendt, Jacqueline; Lai, Cynthia; Radovich, T.J.K.; Limbu, P. (2012)
      The introduction of conservation agriculture practices, such as strip tilling and intercropping with nitrogen-fixing legumes can increase long-term farm profitability and ensure long-term soil productivity. Survey and trial ...
    • Economic analysis of farm labor and profitability of three tribal villages in the central middle hills region of Nepal 

      Reed, B.; Chan-Halbrendt, Catherine; Lai, Cynthia; Radovich, T.; Limbu, P. (Honolulu HI: College of Tropical Agriculture and Human Resources, Department of Natural Resources and Environmental Management, 2013)
      Tribal villages in Nepal’s “Middle Hills” region practice traditional farming techniques that contribute to ongoing decreases in agricultural productivity. The introduction of conservation agriculture practices, such as ...
    • Economic analysis of nomadic livestock operations in Northern Saudi Arabia 

      Abdalla, S.H.; Hajooj, A.; Simir, A. (Rome, Italy: International Fund for Agricultural Development (IFAD), 1998)
      The economic consequences of changes to the pastoral system in Saudi Arabia are the subject of this study. It presents economic analyses, including investment, production rates, off-take, income and expenditures and the ...
    • Economic and environmental impact of improved sorghum and millet technology in Mali 

      Eddleman, B.; Kergna, A.; Vitale, J.; McCarl, Bruce A.; Chen, Chi Chung; Dyke, P. (2001)
      To provide improved methods to assess the impact of introduction and use of technology, a suite of integrated interactive models was created for use in developing countries. The Agricultural Sector Model (ASM) was used to ...
    • Economic and social importance of cotton production and trade in West Africa: Role of cotton in regional development trade and livelihoods (DRAFT) 

      Hussein, K.; Perret, C.; Hitimana, L. (Paris, France: Sahel and West Africa Club Secretariat (Club du Sahel et de l'Afrique de l'Ouest)/OECD, 2005)
      Cotton plays an important part in West Africa's development. Between 1-2 million households produce cotton in West Africa, up to 16 million people are involved in cotton production in some way and West and Central Africa ...
    • Economic Consequences of Crop Genetic Improvement Programmes 

      Evenson, R.E.; Rosegrant, M.W. (Cambridge, Mass.: CABI Publishing, 2003)
      This concluding chapter reported two counterfactual economic impact scenarios, using the IFPRI IMPACT model, asking the following questions: 1. How would food prices, food production, food consumption and international ...
    • Economic crisis, small farmer well being, and forest cover change in Indonesia 

      Sunderlin, W.; Angelsen, A.; Resosudarmo, D.; Dermawan, A.; Rianto, E. (Elsevier Science Ltd., 2001)
      Field research was conducted on 1,050 Indonesian households to understand the effects of the Asian economic crisis on the well-being of small farmers outside of Java and on their forest-clearing practices. The main findings ...
    • Economic development and environmental management in the uplands of Southeast Asia: Challenges for policy and institutional development 

      Rola, Agnes C.; Coxhead, Ian (International Association of Agricultural Economists, 2005)
      This paper presents a case study from the Philippines to describe the challenges of conflicting environmental concerns and economic forces in the uplands of Southeast Asia. The authors describe the policy and institutional ...
    • Economic development in the Philippines' uplands: Who wins? Who loses? 

      Rola, Agnes C.; Coxhead, Ian; Bagares, I.; Villavelez, E. (Laguna, Philippines: University of the Philippines Los Baños. Institute of Strategic Planning and Policy Studies, 2003)
      Both trade liberalization and decentralization hastened economic development in the uplands. Upland dwellers are seen to be increasingly integrated in crop and labor markets. But this economic encroachment on peoples way ...
    • Economic development, watershed health and water policy 

      Rola, Agnes C. (2002)
      Economic growth and population increase brings about increases in water demand. The major user of water in the Philippines is the agriculture sector, followed by the industries and the domestic and municipal sectors. At ...
    • Economic feasibility of conservation agriculture production system (CAPS) for smallholder tribal farmers in Nepal. 

      Paudel, B.; Chan, C.; Norton, George W.; Thapa, K.; Tamang, Bishal B. (2013)
      This presentation examines the following research questions: