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Showing items 1 through 9 of 970.
  1. Library Resource
    Conference Papers & Reports
    December, 2010
    Sri Lanka, South-Eastern Asia

    Wetlands are habitats with temporary or permanent accumulation of water. The degradation and loss of wetlands is more rapid than that for other ecosystems, and wetland-dependent biodiversity in many parts of the world is in continuing and accelerating decline. They have been confirmed to deliver a wide range of critical and important services vital for human well-being.

  2. Library Resource
    Conference Papers & Reports
    December, 2015

    West Bengal is currently implementing new policies facilitating the access to electrified irrigation for farmers and expects to initiate a second Green Revolution. Based on primary data, this paper aims to estimate the potential impact of these electrification policies. Using a discontinuity design and propensity score methods, we identify that electrification induces a significant change in the cropping patterns and more water intensive crops, especially boro rice, are preferred by farmers. In addition, the cropping intensity is also higher for electric pump owners.

  3. Library Resource
    Conference Papers & Reports
    December, 2005

    In the Sahel, sandy soils are widespread and support not only most of pearl millet production, the major staple crop in the region, but also forage production for livestock. Parent sediments of these soils have an aeolian origin and hence are prone to wind erosion. However, the clay content, albeit very low, results in the formation of crusts during rainfall, thus leading to runoff and water erosion. Squall lines, major rainfall events of the rainy season, are usually preceded by intense wind.

  4. Library Resource
    Conference Papers & Reports
    December, 1988

    A regional workshop was held in Ethiopia (Eastern Africa) to assess the status, future needs, and methodological issues of soil fertility research for bean cropping systems on the continent. Traditional forms of soil fertility maintenance, diagnosis of soil fertility constraints, nutrient requirements, use of fertilizers, cropping systems and soil fertility, and soil organic matter and the use of green manures and mulching were addressed.

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