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  1. 1

    Research on nitrification and related processes, part A

    Published 2011
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    Electronic Resource
  2. 2

    Research on nitrification and related processes, part B

    Published 2011
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    Electronic Resource
  3. 3
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  7. 7

    Biological nitrogen fixation

    Published 1992
    Book
  8. 8
  9. 9

    Biological nitrogen fixation in sustainable rice farming by Watanabe, Iwao

    Published 1991
    Analytics
  10. 10

    Nitrogen fixation in tropical cropping systems by Giller, K. E. (Ken E.)

    Published 1991
    Book

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