Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 13.
  1. Library Resource
    Documents et rapports de conférence
    décembre, 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.

  2. 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 (

  3. Library Resource
    Documents et rapports de conférence
    décembre, 1988

    Presents papers dealing with the use of crop residues as livestock feed in smallholder crop/livestock farming systems, and the role of plant breeding in maintaining or improving their nutritive value. Discusses factors limiting the nutritive value of crop residues, and the effect of genotype and environment on the nutritive value of crop residues. Outlines perspectives and implications for crop improvement programmes. Includes recommendations.

  4. 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.

  5. 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.

  6. Library Resource
    Documents et rapports de conférence
    décembre, 1988

    Presents papers dealing with various aspects of livestock production in tsetse affected areas of Africa, particular tsetse challenge, trypanosomiasis epidemiology, trypanotolerance, biological productivity, chemotherapy, economics, and genetics of trypanotolerance.

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