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Notice

To help protect the public from the spread of COVID-19, the National Agricultural Library (NAL) building is currently closed to the public.

We continue to serve our customers remotely during regular business hours. Online information products are always available at https://www.nal.usda.gov/.

USDA continues to monitor the situation closely. We will update the operating status of NAL public facilities on our website when it changes.

National Agricultural Library

The National Agricultural Library (NAL) is one of five national libraries of the United States.  It houses one of the world's largest collections devoted to agriculture and its related sciences.

A History of Roadside Stands and Farmers Markets

By the early 20th century, improvements in transportation and the development of refrigeration made selling farm products further from home easier and more profitable. 

Online Resources

AGRICOLA

Search citations from two agricultural science databases: indexed journal articles and the NAL catalog.

PubAg

Find full-text articles and citations to peer-reviewed journal articles in the agricultural sciences.

Ag Data Commons

Access open data relevant to agricultural research.

Digital Collections

Explore NAL collection materials available in digital format.

NAL Thesaurus

Browse an online vocabulary tool of agricultural terms in English and Spanish.

Invasive Species

Learn about invasive species that threaten the United States.

Nutrition.gov

Uncover reliable resources on food, healthy eating, physical activity, and food safety.

LCA Commons

Find Federal life cycle assessment data, research, and information systems.

Staff Picks

Wheat! A 3-Part Webinar Series

The National Agricultural Library hosted a three-part webinar series exploring the intersection between food, agriculture, and society, as a bridge to learning about world cultures. 

Climate Change and Invasive Species

The National Invasive Species Information Center (NISIC) brings together current resources to help you understand the intersection of climate and invasive animals and plants.

NAL's Internet Archive Collection

Find digitized materials from NAL's collections including seed trade catalogs, USDA agency publications, and special agricultural topics.