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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.

Actif (Le fournisseur de données a soumis des métadonnées au cours de la dernière année civile)
Journal Article

Article de revue

Use of nitrogen-fixing plants to improve and maintain productivity of forest soils  [1979]

Haines, S.G.; DeBell, D.S.;

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Reprints - United States, Forest Service

Information bibliographique

Langue:
English
Type:
Conference
Sur AGRIS depuis:
2013
Tous les titres:
"Use of nitrogen-fixing plants to improve and maintain productivity of forest soils"@eng
Autre:
"Reprinted from Proceedings, Impact of Intensive Harvesting on Forest Nutrient Cycling. p. 279-303. Aug 13-16, 1979. Bibliography p. 297-303."
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Information bibliographique

Langue:
English
Type:
Conference
Sur AGRIS depuis:
2013
Tous les titres:
"Use of nitrogen-fixing plants to improve and maintain productivity of forest soils"@eng
Autre:
"Reprinted from Proceedings, Impact of Intensive Harvesting on Forest Nutrient Cycling. p. 279-303. Aug 13-16, 1979. Bibliography p. 297-303."