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Mostrando ítems 1 a 9 de 46.
  1. Library Resource
    Artículos de revistas y libros
    Diciembre, 2000
    Nigeria, África, África occidental

    The importance of cassava relative to other crops in the cropping system was almost total; cassava was present in 70% of arable fields; maize and beans or peas were each present in 13% of arable fields and all other crops were present in 4%. Cassava was produced mostly for sale, yet it was not as important around market centers as in remote areas because imported rice and wheat products were easily accessible.

  2. Library Resource
    Regulaciones
    Enero, 2000
    Uganda

    Soil conservation measures are prescribed and recommendations are given for the conservation of: (a) lowlands and flat areas and land sloping in various degrees, pasture lands and range lands. Measures are required for the environmentally sound production of food, wood, and other commodities based on sustainable use of land, species and ecosystem. In most areas of Uganda the combination of several conservation practices are recommended and packages will depend on area and crops, livestock and tree species on the land. Measures regard land moving works and cultivation/agro-forestry.

  3. Library Resource
    Regulaciones
    Enero, 2000
    Uganda

    These guidelines contain principles of and rules for the management of hilly and mountainous areas. They define functions and duties of District Environment Committees and other local authorities in respect of management of hilly and mountainous areas duties of land owners in respect to use of grazing of livestock, cultivation, agroforestry and water run-off. Each District Council shall make bye-laws identifying mountainous and hilly areas within their jurisdiction which are at risk from environmental degradation.

  4. Library Resource
    Regulaciones
    Enero, 2000
    Uganda

    These Regulations shall regulate the sustainable utilisation and conservation of resources in mountainous and hilly areas by and for the benefit of the people and communities living in the area and promote the integration of wise use of resources in mountainous and hilly areas into the local and national management of natural resources for socio-economic development. Principles of use of sloping land are laid down in article 4. A District Environment Committee may establish a sub-committee on soil conservation pursuant to article 5.

  5. Library Resource
    Regulaciones
    Enero, 2000
    Uganda

    These guidelines contain principles of and rules for the management and conservation of river banks and lake shores in Uganda They define functions and duties of Environment Officers and Local Councils and the duties of landowners notably in respect of: (a) soil engineering; (b) agroforestry; (c) mulching; (d) bunding; (e) grassing; (f) control of livestock grazing; and (g) terracing. Specified activities with respect to river banks and lake shores are controlled. Government or a local government shall not lease out or otherwise alienate any river bank and lake shores.

  6. Library Resource
    Informes e investigaciones
    Diciembre, 2000
    Sudáfrica, África austral

    Report 1 documents key data affecting crop budgets and water supply costs in several Olifants Basin irrigation schemes. The data will be used to develop an irrigation water-pricing model to describe supply-side and demand side forces. Report 2 investigates the management and operations of these schemes. It compares farming and irrigation practices in several different types of schemes - a government-run scheme, a private commercial scheme and two small irrigation schemes managed by black farmers.

  7. Library Resource
    Informes e investigaciones
    Diciembre, 2000
    África, África oriental

    The main aim of land preparation is to modify and manipulate the land features so as to create favorable environment for seed establishment and crop growth. The research and Development in this field must take into account the traditional practices used by the farming community. This case study gives a brief description of farmers' management of Vertisols and soils with 'Vertic' properties and the Development of the low cost broad bed maker (BBM) for facilitating surface drainage.

  8. Library Resource
    Artículos de revistas y libros
    Diciembre, 2000
    Etiopía, África, África oriental

    Few studies of land-use/land-cover change provide an integrated assessment of the driving forces and consequences of that change, particularly in Africa. Our objectives were to determine how driving forces at different scales change over time, how these forces affect the dynamics and patterns of land use/land cover, and how land-use/land-cover change affects ecological properties at the landscape scale.

  9. Library Resource
    Artículos de revistas y libros
    Diciembre, 2000
    Estados Unidos de América, India, Australia, Egipto

    This publication reports on a study of the increase in river salinity and the implemented control programs in five major irrigated basins in the arid zone. The study is limited to salinity.

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