Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 6.
  1. Library Resource
    Documents et rapports de conférence
    décembre, 1988
    République-Unie de Tanzanie, Zambie, Malawi, Afrique sub-saharienne, Afrique

    Several traditional methods of maintaining soil fertility in bean-based cropping systems are reviewed as follows: visoso, large- scale chitemene, ngoro or matengo pit (Mbinga District, Tanzania), mambwe land-use system of northern Zambia (fundikila), mounds of the Wafipas (SW Tanzania), tumba land-use system (southern Tanzania), guie (central highlands of Ethiopia), mafuku in Zaire, termite mounds, agroforestry, relay intercropping systems, coffee- banana-bean cropping system of the Wahayas of Bukoba (Tanzania), removal of maize tassels (northern Malawi), and storage of nutrients in weeds (

  2. Library Resource
    Documents et rapports de conférence
    décembre, 1988
    Éthiopie, Afrique, Afrique orientale

    Presents the results of investigations on the relative distribution of the various phosphorus forms, fixing capacity and status of some Ethiopian highland Vertisols.

  3. Library Resource
    Documents et rapports de conférence
    décembre, 1988
    Afrique, Afrique sub-saharienne

    Presents papers and abstracts on the management of vertisols in sub-Saharan Africa and other parts of the world. Overviews the importance, distribution, agroclimatology and properties of vertisols and the Indian Vertisol technology experience. Reviews resource assessment and management and highlights inter-institutional modes of operation and networking concepts in Vertisol research and development.

  4. Library Resource
    Documents et rapports de conférence
    décembre, 1988
    Éthiopie, Afrique, Afrique orientale

    Outlines an economic evaluation of an improved surface drainage technology, using the broad-bed-maker (BBM) on-farm in four different vertisol areas of the Ethiopian highlands. Presents data on crops and number of areas covered for the on-farm drainage technology, on cost structure of the BBM, and on human and oxen labour input in traditional seed covering and the construction of the BBM.

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