Now showing items 1-20 of 64

    • Using patterns of distribution and diversity of Kenyan birds to select and prioritize areas for conservation. 

      Muriuki, J. N.; De Klerk, Helen. M.; Williams, P. H.; Bennun, L. A.; Crowe, T. M.; Berge, E. V. (Springer, 1996-01-14)
      Patterns and environmental correlates of species distributions and richness are identi®ed for Kenyan birds at a quarter degree-square scale. This information is used together with iterative complementarity analyses, which ...
    • Soil Fertility Improvement Strategies for Increased Food Production in the Central Highlands of Kenya 

      Otor, S.C.J.; Mucheru-Muna, M. (Soil Science Society of East Africa, 2000-01)
      Continuous decline in soil productivity is a major constraint to the improvement of livelihoods of smallholder farmers of Kenya. In highlands, levels of soil nitrogen, phosphorus and sometimes potassium are low and the ...
    • Improved food production by use of soil fertility amendment strategies in the central highlands of Kenya 

      Mugwe, J. N.; Mugendi, D.N.; Micheni, A.; Mugwe, J. N.; Kung'u, J.B.; Otor, S.C.J.; Gitari, J.; Mucheru-Muna, M. (Academy Science Publishers, 2003)
      Declining soil and crop productivity is a major problem facing smallholder farmers in eastern and central highlands of Kenya. This is caused by continuous cropping without addition of adequate external soil fertility inputs. ...
    • Adoption and adaptation of nutrient replenishment technologies by farmers in Kirege sub-location of Central Kenya 

      Mucheru-Muna, M.; Muriu, F.; Kung'u, J.B.; Karega, R.; Njuki, J. (African Crop Science Society, 2003)
      Soil erosion, continuous cultivation, reduced land productivity, population pressure on land, low income, inappropriate and inadequate use of farm inputs such as fertilizers are some of the interrelated problems experienced ...
    • Soil Conservation and Fertility Improvement Using Leguminous Shrubs in Central Highlands of Kenya: NARFP Case Study 

      Mugendi, D.N.; Mugwe, J. N.; Okoba, B.; Tuwei, P.; O’Neill, M. (CIAT,, 2004)
      Declining land productivity with reduced crop yields has been a major problem facing smallholder farmers in the central highlands of Kenya. The major factors contributing to the reduced land productivity is soil impoverishment ...
    • Nitrogen Fertilizer Equivalency Values for Different Organic Materials Based on Maize Performance at Kabete, Kenya 

      Mugendi, D.N.; Kung'u, J.B.; Kimetu, J.M.; Palm, C.A.; Mutuo, P.K.; Gachengo, C.N.; Nandwa, S. (Academy Science Publishers, 2004)
      Decline in crop yields has been a major problem facing small holder farming in Kenya and the entire sub-Saharan region. This is attributed mainly to the mining of macronutrients due to cropping without external addition ...
    • Impact of soil nutrient management practices on plant parasitic nematodes of maize in central Kenya 

      Mugendi, D.N.; Waceke, J.W.; Mbaru, N.J. (African Network for Agroforestry Education (ANAFE), 2004)
      Maize (Zea mays L.) is the staple food in Kenya. The current average production of 1.5-2 t per ha is far below the germ plasm potential of 3-7 t per ha. Low soil fertility, nematode and insect pests, diseases and poor ...
    • The African Network for Soil Biology and Fertility: New Challenges and Opportunities 

      Mugendi, D.N.; Bationo, A.; Kimetu, J.; Ikerra, S.; Kimani, S.; Odendo, M.; Silver, M.; Swift, M.J.; Sanginga, N. (Academy Science Publishers, 2004)
      Soil fertility degradation has been described as the single most important constraint to food security in sub-Saharan Africa (SSA). Soil fertility decline is not just a problem of nutrient deficiency but also of ...
    • The place of agroforestry in the rehabilitation and utilisation of semi-desert environments of northern Kenya 

      Olukoye, Godfrey Alati; Wamicha, W. N.; van Eckert, M.; Kinyamario, I.; Mwanje, J. I. (African Network for Agroforestry Education (ANAFE, 2004)
      Increasing destruction and degradation of the natural resource base in the sand-duned landscapes of North Horr, Marsabit District, northern Kenya, are jeopardising efforts towards sustainable economic development. The ...
    • Gender-land degradation-livelihood nexus: lessonsfrom Ndome and Ghazi, Taita Taveta, Kenya 

      Waswa, F.; Mutheng, Kimanzi; Kutsch, Thomas (African Network for Agroforestry Education (ANAFE, 2004)
      As the world continues to grapple with the realities of sustainable development, it is becoming increasingly acceptable that meaningful progress cannot be made without active involvement of women and the youth at critical ...
    • Farmer participation in enhancing food productivity through agroforestry in the central highlands, Kenya 

      Mucheru-Muna, M.; Mugendi, D.N.; Kangai, R.; Kung'u, J.B.; Mugwe, J. N.; Otor, S.C.J. (African Network for Agroforestry Education (ANAFE, 2004)
      Declining food production is a major concern in Kenya. This decline is brought about by continuous cultivation of soils without adequate external inputs. A multidisciplinary farmers' participatory trial aimed at offering ...
    • Developing Agroforestry Curricula: A practical Guide for Academic Institutions in Africa and Asia 

      Rudebjer, P. G.; Temu, A. B.; Kung'u, J.B. (World Agroforestry Centre, 2005)
      We promote the view that agroforestry is not only a set of practices, but also about the processes in society that influence, and are influenced by, those practices. Recent advances in participatory approaches are heavily ...
    • Soil Fertility Enhancing Community Extension 

      Mucheru-Muna, M.; Mugendi, D.N.; Mugwe, J. N. (Manilla, 2006)
      This book ia an attempt to equip the extension personnel with soil fertlity packages that can easily be disseminated to farmer. The language is simple, while illustrations are used exclusively to explai technology usage ...
    • Energy for Sustainable Development 

      Kirubi, C. (School of Environmental Studies and Human Sciences, Kenyatta University, 2006)
      The concept of sustainable development refers to development that 'meets the needs of the present without compromising the ability of future generations to meet their own needs' (WCED, 1987). This has social, economic ...
    • Potential of Dryland Farming in Kenya and Environmental Implications 

      Waswa, F.; Mburu, John (School of Environmental Studies and Human Sciences, Kenyatta University, 2006)
      With the arid and semi-arid lands (ASALs) accounting for more than 70%of Kenya's total land area, and supporting an increasing population of both humans and animals, investment in water resources development will be a ...
    • Bioproduction Systems and their Environmental Implications 

      Shitanda, D. (School of Environmental Studies and Human Sciences, Kenyatta University, 2006)
      Bioproduction is a new term that has been coined to refer mainly to the agricultural processing and animal/ fish production systems of the agricultural industry. These two sectors are very critical for many African countries, ...
    • Urbanisation Challenges in Kenya 

      Mireri, C. (School of Environmental Studies and Human Sciences, Kenyatta University, 2006)
      Kenya has witnessed rapid rate of urbanisation (about 6%) since independence in 1963. The independence guaranteed people freedom of movement, which spurred high rate of rural urban migration. Against the rapid urban ...
    • Understanding and Managing Eco-Conflicts and Environmental Insecurity 

      Waswa, F. (School of Environmental Studies and Human Sciences, Kenyatta University, 2006)
      The word conflict is commonly used in everyday speech to label various human experiences, ranging from indecision, disagreement and stress. A conflict situation thus contains the following four elements; a condition ...
    • Gender and Environmental Management 

      Maina, L. W.; Owino, George Evans; Otor, S.C.J. (School of Environmental Studies and Human Sciences, Kenyatta University, 2006)
      The terms gender and development converge in various ways among them the consideration of varied roles that both sexes can play in development, the gendered distribution of benefits accruing from development together with ...
    • Opportunities and Challenges for Sustainable Agricultural Land Management in Kenya 

      Waswa, F. (School of Environmental Studies and Human Sciences, Kenyatta University, 2006)
      Despite technological advances in land management (i.e. use, care and improvement) across the world, land degradation not only persists, but also continues to escalate, thus threatening the livelihood of many agriculturally ...