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  1. Cover Image

    Macrophomina phaseolina on the tropical cover crops Mucuna pruriens var. utilis by Berner, D.K., Killani, A.S., Aigbokhan, E.I., Couper, D.C.

    Published 1992
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    Journal Article
  2. Cover Image

    Alley cropping for food crop production in the humid and subhumid tropics by Kang, B., Van der Kruijs, A.C.M.B., Couper, D.C.

    Published 1989
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    Conference Paper
  3. Cover Image

    Ressources aquatiques en station de recherche agricole: Guide de recherche de lIita No. 23 by Couper, D.C.

    Published 1994
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    Libro
  4. Cover Image

    La construction et lentretien des routes dans les stations experimentales: Guide de recherche de Iiita No. 20 by Couper, D.C.

    Published 1994
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    Libro
  5. Cover Image

    Land clearing for agricultural research stations: IITA research guide, No. 5 by Couper, D.C.

    Published 1994
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    Libro
  6. Cover Image

    Techniques de defrichage dans les stations agricoles experimentales by Couper, D.C.

    Published 1995
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    Libro
  7. Cover Image

    Use of graded contour banks for soil conservation by Couper, D.C.

    Published 1995
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    Libro
  8. Cover Image

    No-till farming in the humid and subhumid tropics of Africa by Couper, D.C.

    Published 1995
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    Libro
  9. Cover Image

    Farm records and work planning on agricultural research farms by Couper, D.C.

    Published 1995
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    Libro
  10. Cover Image

    Aquatic resources of agriculture research stations by Couper, D.C.

    Published 1995
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    Libro
  11. Cover Image

    Building and maintenance of roads on agricultural research farms by Couper, D.C.

    Published 1995
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    Libro
  12. Cover Image

    Use of maps for planning research farms by Couper, D.C.

    Published 1996
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    Libro
  13. Cover Image

    Le nonlabour dans les tropiques humides et subhumides dAfrique: Guide de recherche de lIita, No. 3 by Couper, D.C.

    Published 1993
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    Libro
  14. Cover Image

    Consevation des sols: utilization des banquettes a double courbure: Guide de recherche de lIita, No. 6 by Couper, D.C.

    Published 1993
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    Libro
  15. Cover Image

    Utilisation des cartes dans la planification des fermes experimentales: Guide de recherche de lIita, No. 7 by Couper, D.C.

    Published 1993
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    Libro
  16. Cover Image

    Land survey for research stations: IITA research guide, No. 1 by Couper, D.C.

    Published 1991
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    Libro
  17. Cover Image

    Operations agricoles dans les fermes experimentales: guide de recherche de lIita, No. 18 by Couper, D.C.

    Published 1992
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    Libro
  18. Cover Image

    Leves topographiques pour les stations de recherche: guide de recherche de lIita, No. 1 by Couper, D.C.

    Published 1991
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    Libro

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