Search Results - isotopos _ nitrogen

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  1. 1

    Isotope studies on the nitrogen chain.

    Published 1968.
    Conference Proceeding Book
  2. 2

    Isotopic studies of Azolla and nitrogen fertilization of rice. by Kumarasinghe, K. S.

    Published 1993.
    Book
  3. 3

    Isotope aided studies on nonprotein nitrogen and agroindustrial byproducts utilization by ruminants.

    Published 1987.
    Conference Proceeding Book
  4. 4