Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 111.
  1. Library Resource
    Articles et Livres
    décembre, 1992

    This introductory paper raises general issues and poses questions that are pursued in the other papers. The initial premise of this paper is that impact cannot be discussed in isolation from the broader context of research and development and the overall priorities guiding the centres research, training, and networking activities.

  2. Library Resource
    Documents et rapports de conférence
    décembre, 1992

    Two greenhouse experiments were conducted to investigate the effect of phosphorus application and Rhizobium inoculation on the growth and nitrogen fixation of three tree legume species on a highland vertisol. The first experiment involved Sesbania sesban and S. goetzei, the second Leucaena paniculata and L. leucocephala, both with varying levels of nitrogen applied. Growth and dry-matter production were assessed at 3 months after planting.

  3. Library Resource
    Documents et rapports de conférence
    décembre, 1992

    The main aim of the symposium is to develop a comprehensive overview of what is already known about dairy marketing systems and policies in sub-Saharan Africa and to identify key research problems so as to facilitate a coordinated research effort among interested parties.

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