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  1. 1
    NITROGEN FIXATION IN BACTERIA AND HIGHER PLANTS
    by BURNS,R.C.,HARDY,R.W.F
    Published 1975
    Printed Book
  2. 2
    BIOLOGICAL NITROGEN FIXATION
    Published 1988
    Printed Book
  3. 3
    UTLIZATION OF NITROGEN AND ITS COMPOUNDS BY PLANTS
    Published 1959
    Printed Book
  4. 4
    The CHEMISTRY AND BIOCHEMISTRY OF NITROGEN FIXATION
    by NULL
    Published 1971
    Printed Book
  5. 5
    BIOFERTILIZERS AND ORGANIC FARMING
    by HOTA, DHARAMVIR, PANDA, HIMADRI
    Published 2007
    Printed Book
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