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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.

Активный (Поставщик данных предоставлял метаданные в течение последнего календарного года)
Paper

Written Paper

Azolla, a low cost aquatic green manure for agricultural crops  [1985]

Lumpkin, T.A.; Plucknett, D.L.;

Доступ к полному тексту

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Библиографическая информация

Язык:
English
Тип:
Maps or Atlases
В АГРИСе с:
1989
Издатель:
Congress of the U.S. Office of Technology Assessment
Все названия:
"Azolla, a low cost aquatic green manure for agricultural crops"@eng
Другое:
"ill., maps. ref. Paper presented at a Workshop on "Innovative Biological Technologies For Lesser Developed Countries," November 24-25, 1980, Washington, D.C"
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Библиографическая информация

Язык:
English
Тип:
Maps or Atlases
В АГРИСе с:
1989
Издатель:
Congress of the U.S. Office of Technology Assessment
Все названия:
"Azolla, a low cost aquatic green manure for agricultural crops"@eng
Другое:
"ill., maps. ref. Paper presented at a Workshop on "Innovative Biological Technologies For Lesser Developed Countries," November 24-25, 1980, Washington, D.C"