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Showing items 1 through 9 of 30.
  1. Library Resource
    Journal Articles & Books
    December, 2013
    Zimbabwe, Southern Africa

    The knowledge of runoff discharged by a catchment at its outlet is important for water accounting and water allocation to competing uses. Runoff generated by a catchment is important in determining the catchment water balance, estimating pollutant loads, and quantifying sediment yield and delivery ratio. The Soil Conservation Service triangular unit hydrograph (SCS-TUH) model was used in this study to simulate water discharged into Siya Dam from Rosva River Catchment in Masvingo Province, Zimbabwe.

  2. Library Resource
    Journal Articles & Books
    December, 2013
    Zimbabwe, Southern Africa

    An evaluation of available opportunities to revive irrigation on a long abandoned irrigation scheme in a dry region of Zimbabwe is presented by assessing water availability at catchment level. The aim is to enhance the livelihoods, income and nutrition of the communities that depend on the irrigation scheme through a sustainable management of revitalised irrigation infrastructure and ensure food security. Runoff generated in the catchment, with potential to flow into the dam that supplies water to the scheme, is estimated using the Soil Conservation Service curve number (SCS-CN) model.

  3. Library Resource
    Reports & Research
    October, 2013
    South Africa, Zimbabwe, Africa, Southern Africa

    The Challenge Program on Water and Food (CPWF) Phase II for the Limpopo Basin Development Challenge (LBDC) project aims to develop methods, processes, and technologies to help resource- constrained smallholder farmers mitigate poverty and food insecurity through improved agricultural water management (AWM) strategies.

  4. Library Resource
    Journal Articles & Books
    December, 2013
    Zimbabwe

    Adequate operation and maintenance (O&M) of irrigation infrastructure sustains irrigation scheme facilities, reduces repair costs, helps the system last longer, and keeps irrigation efficiency at design levels. In cases where farmers do not have sufficient capacity to operate and maintain the irrigation infrastructure sustainably, it is necessary for the farmers to enter into partnerships with external entities.

  5. Library Resource
    Journal Articles & Books
    December, 2013
    Zimbabwe, Southern Africa

    This paper presents a methodological framework for revitalising small-scale irrigation schemes which are no longer performing well due to a combination of infrastructural, social-economic, institutional and governance problems, among others. The framework was developed as part of a project to revitalise small-scale irrigation schemes in Masvingo Province in Zimbabwe. The framework is based on the understanding that an irrigation scheme consists of four mutually interlinked systems: the physical system, the cropping system, the economic system and the social-organisational system.

  6. Library Resource
    Maps
    December, 2013
    Botswana, Mozambique, South Africa, Zimbabwe, Southern Africa
  7. Library Resource
    Journal Articles & Books
    December, 2013
    Zimbabwe, Africa, Southern Africa

    Agriculture is one of the biggest sources of greenhouse gases. Rice production has been identified as one of the major sources of greenhouse gases, especially methane. However, data on the contributions of rice towards greenhouse gas emissions in tropical Africa are limited. In Zimbabwe, as in most of Sub-Saharan Africa, there are very few studies that have explored greenhouse gas emissions from agricultural lands. This study reports the first dataset on greenhouse gas emissions from intermittently flooded rice paddies in Zimbabwe.

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