A:
Agricultural Systems Research Unit - Develops and implements state-of-the-art simulation models and other products aimed at improving our understanding of how agricultural systems work and how they can be managed. Formerly called Great Plains Systems Reserch Unit [U.S. Department of Agriculture (USDA), Agriculture Research Service (ARS)]

E:
Extraterrestrial Life-Science Tracer Bullet - Information about life outside of the Earth included cited references and related material in the library of congress collections [U.S. Library of Congress (LOC)]

F:
Forensic Sciences - Science Tracer Bullet - Finding aid from the Library of Congress Science Reference Services [U.S. Library of Congress (LOC)]

N:
National Agriculture Compliance Assistance Center - Is the first stop for information about environmental requirements that affect the agricultural community [U.S. Environmental Protection Agency (EPA)]

P:
Production Input Industries - Key Topic (ERS) - Covers information on pesticides, fertilizers, machinery, energy, seed, and biotechnology products, all of which are agricultural production inputs. [U.S. Department of Agriculture (USDA), Economic Research Service (ERS)]

Q:
Quick Stats - Interactive database of agricultural statistics. Keyword searchable, and data can be filtered by commodity, location, and time. [U.S. Department of Agriculture (USDA), National Agricultural Statistics Service]

V:
Virtual Grower 3 - Decision support software for greenhouse growers. Users can build a greenhouse with a variety of materials, design the greenhouse style, schedule temperature set points throughout the year, and predict heating costs for over 230 sites within the US. [U.S. Department of Agriculture (USDA), Agriculture Research Service (ARS)]