Cattle fodder and human nutrition ; with special reference to biological nitrogen fixation /

Biological nitrogen fixation in farming systems of the Tropics /
Published: (1977)

Biological nitrogen fixation technology for tropical agriculture : based on papers presented at a workshop held at the Centro Internacional de Agricultura Tropical, March 9-13, 1981 /
Published: (1982)

Role of blue-green algae in nitrogen economy of Indian agriculture /
by: Singh, Rama Nagina (Botanist), 1915-
Published: (1961)

Symbiotic nitrogen fixation in the management of temperate forests : proceedings of a workshop held April 2-5, 1979 /
Published: (1979)

Nitrogen and phosphorus nutrition of cattle : reducing the environmental impact of cattle operations /
Published: (2005)

Nitrogen in the life of plants /
by: Pri͡anishnikov, D. N. (Dmitriĭ Nikolaevich), 1865-1948
Published: (1951)

Biological N fixation in forage-livestock systems : proceedings of a symposium /
Published: (1976)

Biological nitrogen fixation /
Published: (2015)

Nitrogen efficiency in agricultural soils : a Seminar on Nitrogen Efficiency in Agricultural Soils and the Efficient Use of Fertilizer Nitrogen, held in Edinburgh, 16-18 September 1987, as part of the EC Programme for the Coordination of Agricultural Research /
Published: (1988)

Nitrogen in crop production : proceedings of a symposium held 25-27 May 1982 at Sheffield, Alabama /
Published: (1984)

Nitrogen in crop production : proceedings of a symposium held 25-27 May 1982 at Sheffield, Alabama /
Published: (1984)

Fodder biofactors, their methods of determination /
by: Knobloch, Eduard
Published: (1979)

Feed intake and gains of beef cattle as affected by source and level of nitrogen in high-energy rations /
Published: (1962)

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

Nitrogen fixation in crop production /
Published: (2009)

Nitrogen flow in pig production and environmental consequences : proceedings of the First International Symposium on Nitrogen Flow in Pig Production and Environmental Consequences, Wageningen (Doorwerth), The Netherlands, 8-11 June 1993 /
Published: (1993)

Nitrogen and phosphorus nutrition of cattle : reducing the environmental impact of cattle operations /
Published: (2005)

Nitrogen fixation at the millennium /
Published: (2002)

Nitrogen in Crop Production.
Published: (1984)

Diagnosis of the nitrogen status in crops /
Published: (1997)

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

Biological nitrogen fixation /
Published: (1992)

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

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

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

Nitrogen in organic wastes applied to soils /
Published: (1989)

Nitrogen fertilization in the environment /
Published: (1995)

Agriculture and the nitrogen cycle : assessing the impacts of fertilizer use on food production and the environment /
Published: (2004)

Control of vitamin A deficiency in feeding beef cattle /
by: Barnes, George W., et al.
Published: (1942)

Nitrogen in the environment : sources, problems, and management /
Published: (2008)

Nitrogen in the environment : sources, problems, and management /
Published: (2001)

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

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

The world's greatest fix : a history of nitrogen and agriculture /
by: Leigh, G. J.
Published: (2020)

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