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Nitrogen fixation in bacteria and higher plants by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: New York ; Springer-Verlag ; 1975
Availability: No items available.

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Nitrogen transformation in a coupled high rate-water hyacinth ponds by
Material type: Text Text
Publication details: Dar es Salaam: Univesity of Dar es Salaam, 2006
Availability: Items available for reference: Directorate of Library Services (UDSM): Not for loan (2)Collection, call number: East Africana Collection THS EAF TD746.5.H36, ...