Nitrogen cycle in lakes /

Nitrogen fixation in crop production /
Published: (2009)

Nitrogen fixation at the millennium /
Published: (2002)

Nitrogen fixation : fundamentals and applications : proceedings of the 10th International Congress on Nitrogen Fixation, St. Petersburg, Russia, May 28-June 3, 1995 /
Published: (1995)

Biological nitrogen fixation, sustainable agriculture and the environment : proceedings of the 14th International Nitrogen Fixation Congress /
Published: (2005)

Nitrogen sources and cycling in natural waters /
by: Brezonik, Patrick L.
Published: (1973)

The nitrogen cycle in lakes at Kitoi Bay, Afognak Island, Alaska.
Published: (1966)

The nitrogen fixation and its research in China /
Published: (1992)

Fixed nitrogen /
by: Curtis, Harry Alfred, 1884-1963
Published: (1932)

Nitrogen fixation in bacteria and higher plants /
by: Burns, Richard C., 1930-
Published: (1975)

Biological nitrogen fixation /
by: Wittwer, S. H. (Sylvan Harold), 1917-
Published: (1976)

Biological nitrogen fixation /
Published: (1992)

Nitrogen fixation at the millennium /
by: Leigh, G. J.
Published: (2002)

The biology of nitrogen fixation /
by: Quispel, A. (Anton)
Published: (1974)

The chemistry and biochemistry of nitrogen fixation /
by: Postgate, J. R. (John Raymond)
Published: (1971)

Nitrogen fixation /
Published: (1981)

The fundamentals of nitrogen fixation /
by: Postgate, J. R. (John Raymond)
Published: (1982)

Nitrogen fixation in crop production /
Published: (2009)

Biology and biochemistry of nitrogen fixation /
Published: (1991)

Nitrogen cycling in South-East Asian wet monsoonal ecosystems : proceedings of a Regional Workshop /
Published: (1981)

New trends in the chemistry of nitrogen fixation /
Published: (1980)

Biological nitrogen fixation : recent developments /
Published: (1988)

Highlights of nitrogen fixation research /
Published: (1999)

Recent developments in nitrogen fixation /
Published: (1977)

Nitrogen fixing organisms : pure and applied aspects /
by: Sprent, Janet I.
Published: (1990)

Nitrogen fixation in the phyllosphere of Gramineae /
by: Bessems, E. P. M.
Published: (1973)

The biology of nitrogen-fixing organisms /
by: Sprent, Janet I.
Published: (1979)

Biological fixation of atmospheric nitrogen,
by: Mishustin, E. N. (Evgeniĭ Nikolaevich)
Published: (1971)

Current developments in biological nitrogen fixation /
Published: (1984)

Nitrogen fixation : the chemical-biochemical-genetic interface /
Published: (1983)

Nitrogen fixation /
by: Postgate, J. R. (John Raymond)
Published: (1998)

Nitrogen cycle in the Sargasso Sea : final report to the National Science Foundation, August 1, 1962 - July 31, 1964 /
by: Dugdale, R. C. (Richard Cooper), 1928-
Published: (1964)

Advances in Nitrogen Fixation Research : Proceedings of the 5th International Symposium on Nitrogen Fixation, Noordwijkerhout, the Netherlands, August 28 - September 3, 1983 /
by: Veeger, Cees, 1929-
Published: (1983)

Nitrogen fixation : global perspectives : proceedings of the 13th International Congress on Nitrogen Fixation, Hamilton, Ontario, Canada, 2-7 July 2001 /
Published: (2002)

Nitrogen Fixation: Fundamentals and Applications : Proceedings of the 10th International Congress on Nitrogen Fixation, St. Petersburg, Russia, May 28--June 3, 1995 /
by: Tikhonovich, Igor A.
Published: (1995)

Recent advances in biological nitrogen fixation /
Published: (1980)

Estimation of nitric and nitrous nitrogen in soils /
by: Fraps, G. S. (George Stronach), 1876-
Published: (1931)