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  1. 1

    Integrated pest management for highland vegetables.

    Udgivet 1994
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    Integrated pest management for highland vegetables.
  2. 2

    Pesticides and nitrogen cycle.

    Udgivet 1987
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    Pesticides and nitrogen cycle.
  3. 3

    Urban pest management af National Research Council (U.S.) Committe on Urban Pest Management

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    Urban pest management

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