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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Journal Article

Biological nitrogen fixation in tropical agrosystems: twenty years of biological nitrogen fixation research in Africa  [1992]

Danso, S.K.A.;

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Biological nitrogen fixation and sustainability of tropical agriculture : proc of the 4th International Conf of the African Assoc for Biological Nitrogen Fixation, held at the Int Inst of Trop Agric, Nigeria, 24-28 Sept 1990

Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2013
Start Page:
3
End Page:
13
Publisher:
Chichester : Wiley c1992.
All titles:
"Biological nitrogen fixation in tropical agrosystems: twenty years of biological nitrogen fixation research in Africa"@eng
Other:
"Includes references."
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2013
Start Page:
3
End Page:
13
Publisher:
Chichester : Wiley c1992.
All titles:
"Biological nitrogen fixation in tropical agrosystems: twenty years of biological nitrogen fixation research in Africa"@eng
Other:
"Includes references."