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Showing items 1 through 9 of 155.
  1. Library Resource
    Journal Articles & Books
    December, 2011
    Kenya, Africa, Eastern Africa

    A major strategy towards addressing soil fertility depletion is the conservation and sustainable use of rhizobia that are able to fix nitrogen in the soil in association with legumes. The study assessed abundance and diversity of legume nodulating rhizobia (LNB) in soils collected from six different land use systems in Embu District, Kenya. The populations were estimated by the most-probable-number (MPN) plant infection technique using Macroptilium atropurpureum (DC.) Urban (Siratro) as the trap host species.

  2. Library Resource
    Journal Articles & Books
    December, 2011
    Kenya, Sub-Saharan Africa, Africa

    The abundance and diversity of soil mites was monitored along a gradient of land use types (LUTs) during the wet seasons in soils of Taita Taveta, Kenya. Sampling of mites from soils was carried out in eight LUTs which included maize-based system (Zea mays), coffee (Coffea Arabica), horticulture, napier grass (Pennisetum purpureum), fallow, pine (Pinus patula), cypress (Cypressus lusitanica), natural forest. LUT significantly influenced abundance, richness and diversity of the soil mites.

  3. Library Resource
    Policy Papers & Briefs
    December, 2011

    The way we produce food must adapt to a variable and changing climate. And key to achieving this is to improve the link between climate information and agricultural practices, especially those of smallholder farmers in developing countries. ‘Agro-climate tools’ do just that and some are introduced here.

  4. Library Resource
    Policy Papers & Briefs
    December, 2011

    Agroforestry and other tree-based systems (wood lots, afforestation) can contribute to Reducing Emissions from Deforestation and Forest Degradation (REDD+) in two ways: 1) as part of REDD+ under certain forest definitions; and / or 2) as part of a strategy for achieving REDD+ in landscapes. In the context of REDD+, agroforestry has the potential for reducing degradation by supplying timber and fuelwood that would otherwise be sourced from adjacent or distant forests.

  5. Library Resource
    Reports & Research
    December, 2011
    Burkina Faso, Mali, Niger, Nigeria, Africa, Western Africa

    The Niger River Basin covers 7.5% of the African continent, and is shared between nine riparian

    countries. The basin countries can be categorized into water resources producers, consumers, both

    producers and consumers, and minimum contributors and consumers. As in the case for most

    transboundary rivers, upstream and downstream conflicts emanating from the development and

    utilization of the Niger River are inevitable and are expected to be intense, particularly given the

  6. Library Resource
    Journal Articles & Books
    December, 2011
    Ethiopia, Africa, Eastern Africa

    A Land management practice has many forms and the focus of this research is on

    traditional land management practices. The main objective of this study was to assess the

    role of traditional land management practices in improving cropland productivity in the

    study area. The study was mainly focused on describing the soil fertility status between

    lands with and without traditional land management practices.12 Soil sample was taken

    from farmland with four and above practices and another 12 soil sample from farmland

  7. Library Resource
    Journal Articles & Books
    December, 2011
    Mexico, Central America, South America

    Climate change is predicted to have major impacts on small-scale farmers in Mexico whose livelihoods depend on rain-fed maize. We examined the capacity of traditional maize seed systems to provide these farmers with appropriate genetic material under predicted agro-ecological conditions associated with climate change. We studied the structure and spatial scope of seed systems of 20 communities in four transects across an altitudinal gradient from 10–2,980 m above sea level in five states of eastern Mexico.

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