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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Aspects of nitrogen fixation by white clover (Trifolium repens L.) - symbiotic variation in response to combined nitrogen

Rys, G. J. January 1982 (has links)
No description available.
2

Variation in Frankia strains isolated from Alnus root nodules

Hooker, John Edward January 1987 (has links)
No description available.

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