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  1. Cover Image

    Biology, status and management of rice insect pest in Nigeria by Umeh, E.D.N., Joshi, R.C., Ukwungwu, M.N.

    Published 1992
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    Journal Article
  2. Cover Image

    Aspects of the biology, ecology and natural biological control of the African rice gall midge, Orseofia oryzivora Harris and Gagni (Dipt., Cecidomyiidae) in south east Nigeria by Umeh, E.D.N., Joshi, R.C

    Published 1993
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    Journal Article
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    Field insect pests of rice in Africa; biology and control by Umeh, E.D.N., Joshi, R.C., Ukwungwu, M.N.

    Published 1995
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    Libro
  4. Cover Image

    Les insectes nuisibles du riz au champ en Afrique: biologie et methode de lutte by Umeh, E.D.N., Joshi, R., Ukwungwu, M.N.

    Published 1993
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    Libro
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    Lutte biologique naturelle contre la cecidomyie africaine du riz au Nigeria: guide de recherche de lIita, No. 37 by Umeh, E.D.N., Ukwungwu, M.N., Joshi, R.

    Published 1992
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    Libro
  6. Cover Image

    Natural biological control of African rice gall midge in Nigeria: IITA research guide, No. 37 by Umeh, E.D.N., Joshi, R., Ukwungwu, M.N.

    Published 1991
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    Libro

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