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  1. 1

    The sustainability of agricultural intensification in Indonesia a report of two workshops of the Research Group on Agro-ecosystems, Kelompok Penelitian Agro-ekosistem (KEPAS) af Conway, Gordon, Manwan, Ibrahim, McCauley, David S.

    Udgivet 1984
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    The sustainability of agricultural intensification in Indonesia a report of two workshops of the Research Group on Agro-ecosystems, Kelompok Penelitian Agro-ekosistem (KEPAS)
  2. 2

    Resistance of rice varieties to yellow borer, Tryporyza incertulas (Walker) af Manwan, Ibrahim 1935-

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    Resistance of rice varieties to yellow borer, Tryporyza incertulas (Walker)

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