Predicting interactive effects of Co2, temperature, and other environmental factors on agricultural productivity ... annual report [electronic resource].
Imprint
Washington, D.C. : U.S. Dept. of Agriculture, Agricultural Research Service
Description based on: 2005; title from title screen (viewed Mar. 23, 2009).
Latest issue consulted: 2008.
Numbering
Report covers fiscal year.
System Details
Mode of access: Internet via the USDA Agricultural Research Service web site. Address as of 3/23/09: http://purl.access.gpo.gov/GPO/LPS110554; current access available via PURL.