Now showing items 8222-8241 of 8691

    • U-impact pathway for diagnosis and impact assessment of crop improvement 

      Dixon, John; Hellin, J.; Erenstein, O.; Kosina, P. (United Kingdom: Cambridge University Press, 2007)
      Agricultural research has contributed enormously to poverty reduction and increased food security worldwide. Wheat crop improvement is a good example of this contribution. Public investments in wheat research from the Green ...
    • U.S. agriculture's role in a greenhouse gas emission mitigation world: An economic perspective 

      McCarl, Bruce A.; Schneider, U. (East Lansing, Mich.: Michigan State University. Dept. of Agricultural Economics, 2000)
      This paper assesses the role of agriculture as potential source or sink for greenhouse gasses. The authors evaluate the impacts of international mitigation agreements on the agricultural sector. They discuss emission trading ...
    • UC SAREP Cover Crop Resource Web Page 

      University of California. Sustainable Agriculture Research & Education Program (University of California, 2012-01-24)
      Soil coverage is a key principle of Conservation Agriculture. The Cover Crop Resource Page, produced by the University of California Sustainable Agriculture Research and Education Program, provides access to several resources ...
    • Uganda Breweries Limited National Wetlands Program 

      Uganda Breweries Limited (2007-07-16)
      This is a borderline scheme that presents an interesting example of how the private sector recognises wetland services. Uganda Breweries is taking steps to reduce its pollution levels in order to reduce impact on wetlands, ...
    • UH conservation agriculture project working to help tribal communities in India and Nepal 

      University of Hawaii at Manoa; Water Resources Research Center (Honolulu, HI: Water Resources Research Center, University of Hawaii at Manoa, 2011)
      This bulletin features a two-page summary of SANREM CRSP’s Sustainable Management of Agro-ecological Resources for Tribal Societies (SMARTS) project for India and Nepal. It includes a map of India and photos from their ...
    • Ultrasonic water measurement in irrigation pipelines with disturbed flow 

      Johnson, A. L.; Benham, B. L.; Eisenhauer, D. E.; Hotchkiss, R. H. (American Society of Agricultural and Biological Engineers, 2001)
      Ultrasonicflow meter accuracy was investigated over a range of flow conditions (3 pipe materials, 2 pipe sizes, 4 Reynolds numbers, 7 flow-disturbing devices) commonly found in irrigation systems. Flow rate measurements ...
    • Umbrella-Pine (Japanese Umbrella-Pine), Sciadopitys verticillata 

      Niemiera, Alexander Xavier, 1951- (Virginia Cooperative Extension, 2012-02-27)
      This publication covers the physical and main features, plant needs, functions, care, and additional information for Umbrella-Pine, Sciadopitys verticillata.
    • Umbrella-Pine (Japanese Umbrella-Pine), Sciadopitys verticillata 

      Niemiera, Alexander Xavier, 1951- (Virginia Cooperative Extension, 2018-10-04)
      Provides information about the physical features, growth requirements, and landscape function of Umbrella-Pine, Sciadopitys verticillata
    • Un análisis de los impactos sociales y económicos de los proyectos de fijación de carbono en el Ecuador: El caso de PROFAFOR-FACE 

      Albán, M.; Argüello, M. (London: International Institute for Environment and Development (IIED), 2004)
      Este reporte se enfoca en el proyecto PROFAFOR, implementado por FACE (Forest Absorbing Carbon Dioxide Emissions), una ONG holandesa formada por un grupo de compañías eléctricas, con el objetivo de promover actividades de ...
    • Un modèle de décentralisation de la gestion des ressources naturelles au Sahel 

      Cissé, Salmana; Moore, Keith M.; Touré, A. (2004)
      La décentralisation a changé les enjeux gouvernementaux par rapport à la gestion des ressources naturelles, mais elle na pas encore donné une méthodologie qui montre le chemin pour l'actualisé. En réponse à ce manque, ce ...
    • Un modèle de gestion décentralisée des resources naturelles au Sahel: Cas du CCGRN dans la Commune Rurale de Madiama 

      Cissé, Salmana; Moore, Keith M.; Keita, Moussa; Touré, A. (2009)
      Important stakeholders and pathways in the passage of SANREM, IER, and CARE technologies in Commune Rurale de Madiama.
    • Uncertainty in TMDL models 

      Shirmohammadi, A.; Chaubey, I.; Harmel, R. D.; Bosch, D. D.; Munoz-Carpena, R.; Dharmasri, C.; Sexton, A.; Arabi, M.; Wolfe, Mary Leigh; Frankenberger, J.; Graff, C.; Sohrabi, T. M. (American Society of Agricultural and Biological Engineers, 2006)
      Although the U.S. Congress established the Total Maximum Daily Load (TMDL) program in the original Clean Water Act of 1972, Section 303(d), it did not receive attention until the 1990s. Currently, two methods are available ...
    • Uncommons in the commons: Community initiated forest resource management 

      Ghate, R. (New Delhi, India: Concept Publishing, 2004)
      This book explores why communities dependent on common pool resources in similar circumstances respond differently and adopt different strategies when faced with similar problems. Looks closely at five forest-dependent ...
    • Uncovering Root Causes of Soil Erosion in the Philippines 

      Olabisi, L. S. (London, United Kingdom: Routledge, 2011)
      This article explores the complex factors that contribute to soil erosion in the Philippines. The author argues that empirical evidence, scientific explanations, and conservation recommendations are not adequate enough to ...
    • Undependable rains bring seasonal exodus 

      Onishi, N. (2000)
      Describes how late rains can bring a poor harvest, which forces many to seek work in the capital of Mali, Bamako.
    • Underground Railroad Reenactment Script 

      McKeon, J. L. (2016-09-12)
      The students will experience a slave’s journey to freedom and learn about the trek that escaping slaves made through Virginia. It incorporates local history and has a more serious tone to it. The goal is to help students ...
    • Understanding alternatives to forest use in Malawi 

      SANREM CRSP (Blacksburg, VA: SANREM CRSP, OIRED, Virginia Tech, 2006)
      Over-reliance on forest resources for household income negatively impacts forest ecosystems and the long-term economic stability of low-income households in Malawi. In order to develop economic and environmentally sustainable ...
    • Understanding and Managing Food Allergies 

      Villalba, Abigail; Boyer, Renee Raiden; McKinney, Julie Michelle (Virginia Cooperative Extension, 2010-08-24)
      This publication provides general information and guidelines to manage food allergies at home, schools, day care centers, and camps.
    • Understanding climate change projections for the Northern Altiplano 

      Seth, Anji (2009)
      Adapting to Change in the Andean Highlands: Practices and Strategies to Address Climate and Market Risks in Vulnerable Agro-ecosystems (SANREM CRSP LTRA 4) focus is to identify the consequences of climate change for one ...
    • Understanding climate variability and change in the Altiplano 

      Seth, Anji (2007)
      This presentation addresses climate variability in the climate change models for 20th and 21st centuries for the Altiplano Region. The models appear to simulate this mechanism in the present, but respond quite differently ...