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Resultados de la búsqueda

Mostrando ítems 1 a 9 de 1526.
  1. Library Resource
    Artículos de revistas y libros
    Febrero, 2018

    Sampling and analysis or visual examination of soil to assess its status and use potential is widely practiced from plot to national scales. However, the choice of relevant soil attributes and interpretation of measurements are not straightforward, because of the complexity and site-specificity of soils, legacy effects of previous land use, and trade-offs between ecosystem services. Here we review soil quality and related concepts, in terms of definition, assessment approaches, and indicator selection and interpretation.

  2. Library Resource
    Artículos de revistas y libros
    Agosto, 2019
    Ghana

    Estimating the potential land resources suitable for irrigation and evaluating the possible impact of climate change on land suitability is essential for planning a sustainable agricultural system. This study applied a GIS-based Multi-Criteria Evaluation (MCE) technique to evaluate the suitability of land for irrigation in Ghana for a baseline period (1990 to 2010) and future time horizons 2050s (2041 to 2060) and 2070s (2061 to 2080).

  3. Library Resource
    Artículos de revistas y libros
    Abril, 2018

    The agriculture, forestry and other land use (AFOLU) sectors contribute substantially to the net global anthropogenic greenhouse gas (GHG) emissions. To reduce these emissions under the Paris Agreement, effective mitigation actions are needed that require engagement of multiple stakeholders. Emission reduction also requires that accurate, consistent and comparable datasets are available for transparent reference and progress monitoring.

  4. Library Resource
    Artículos de revistas y libros
    Julio, 2017
    Tanzania, África, África oriental, África austral

    Low adoption of sustainable intensification technologies hinders achievement of their potential impacts on increasing agricultural productivity. Proper targeting of locations to scale-out particular technologies is a key determinant of the rate of adoption. Targeting locations with similar biophysical and socio-economic characteristics significantly increases the probability of adoption. Areas with similar biophysical and socio-economic characteristics are referred to as recommendation domains (RDs).

  5. Library Resource
    Artículos de revistas y libros
    Diciembre, 2018
    Congo

    Sapelli (Entandrophragma cylindricum) and tali (Erythrophleum suaveolens) are among the most important timber
    species harvested from Congo Basin forests. They also host edible caterpillars, Imbrasia oyemensis and Cirina
    forda, respectively, which are important to the nutrition and income of rural and urban populations. This study
    evaluated the density of these tree species within a 10 km radius around each of 4 villages and in the 2012
    annual cutting areas of two timber concessions in the region of Kisangani (DRC). Sapelli and tali trees

  6. Library Resource
    Artículos de revistas y libros
    Diciembre, 2017
    Etiopía, Uganda

    Innovations to improve staple crop germplasm can reduce poverty and otherwise improve farmer livelihoods through complex and multiple pathways. This paper reviews the evidence for one prominent pathway—through increased incomes (in cash and kind) for poor farmers who adopt the technology.

  7. Library Resource
    Artículos de revistas y libros
    Abril, 2017
    Zambia, Mozambique, Malawi, África austral, África

    The promotion of land, soil and water conservation measures has been a widespread development in sub-Saharan Africa in a bid to tackle degradation and improve productivity. As a result, several governments have launched various campaigns on soil, land and water conservation measures. The aim of this study is to determine some of the factors that influence farmers’ awareness (knowledge) and adoption of land, soil and water conservation practices. Data for this study was collected from 312 households using a questionnaire survey in the Chinyanja Triangle of Southern Africa.

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