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  1. 1

    Using azolla as fertilizer for lowland rice

    Published in Agriculture (2000)
    Article

    Using azolla as fertilizer for lowland rice
  2. 2

    Biofertilizer germplasm collections at IRRI

    Published 1992
    Book

    Biofertilizer germplasm collections at IRRI
  3. 3

    Fern farming.

    Analytics

    Fern farming.

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