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ARS Home : USDA ARS
Welcome to the USDA Agricultural Research Service—one of the world's premier scientific organizations. Our nationally-coordinated research solves problems that affect Americans daily.
Learn more abou...
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Download : USDA ARS
Solar Calc: Estimating Hourly Incoming Solar Radiation from Limited Meteorological Data
Two major properties which determine weed seed germination are soil temperature and moisture content. Incident ...
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About ARS : USDA ARS
Mission
Vision
Core Values
Scientific excellence, creativity, innovation, integrity, leadership, collaboration, accountability, transparency, diversity, respect, inclusiveness, and public service. The...
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Datasets : USDA ARS
Datasets
The Agricultural Research Service programs generate many publicly accessible data products that are catalogued in Ag Data Commons. These databases, datasets, and data collections may be maint...
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Research : USDA ARS
The Office of International Research Engagement and Cooperation (OIREC) is the main contact for ARS international engagement, and provides leadership and coordination for the agency's international re...
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National Agricultural Library : USDA ARS
National Agricultural Library
The National Agricultural Library (NAL) facilitates the creation of agricultural knowledge through the acquisition, curation, and dissemination of the information needed ...