US-EPA. 2008. Inventory of US Greenhouse gas
emissions and sinks 1990-2004. Chapter
6 Agriculture. Available at http://epa.gov/
climatechange/emissions/downloads/08_
Agriculture.pdf. EPA, Washington, DC.
USTR. 2003. Public statement by the Office of
the United States Trade Representative, May
13, 2003.
Vandermeer, J., and I. Perfecto. 2005. The
future of farming and conservation. Science
308:1257.
Van Lynden, G.W.J. 2000. Soil degradation
in Central and Eastern Europe: The
assessment of the status of human-induced
soil degradation. Rep. 2000/05. FAO and
ISRIC, Rome.
Vellidis, G., R. Lowrance, P. Gay, and
R.K. Hubbard. 2003. Nutrient transport
in a restored riparian wetland. J. Environ.
Qual. 32:711-726.
Vergunst, P. 2003. Liveability and ecological
land use. The challenge of localisation. Acta
Universitatis Agriculturae Sueciae. Agraria
373. PhD thesis. Swedish Univ. Agric. Sci.,
Uppsala.
Vitta J.I., D. Tuesca, and E. Puricelli. 2004.
Widespread use of glyphosate tolerant
soybean and weed community richness
in Argentina. Agric. Ecosyst. Environ.
103(3):621-624.

Von Braun, J. 2003. Agricultural economics and
distributional effects. 25th Conf. Int. Assoc.
Agric. Economists. Durban, 16-22 Aug 2003.
Wardell, J. 2007. U.K. Watchdog to analyze
supermarkets. Available at http://finance.
myway.com/j sp/nw/nwdt_ge. j sp ?news_id=cmt-
023w3570&feed=cmt&date=20070123. Assoc.
Press Copyright AFX News Limited 2006.
Webster, J. 2005. Animal welfare limping
towards Eden. Feb 2005. Blackwell, NY.
Wiebe, K., and N. Gollehon (ed). 2006.
Agricultural resources and environmental
indicators, 2006 Ed. EIB-16. Available at
http://www.ers.usda.gov/publications/arei/
eib16/. ERS, USDA, Washington, DC.
Wiel, van der A. 2007. Spain: 40% market
share in produce sales for supermarkets.
Available at http://www.freshplaza.
com/2007/0123/1-2_es_marketshare.htm.
Fresh Plaza.
Williams, D.S., and D. Gould-Wells. 2004.
Biogas production: Engineering and
technology for sustainable world 11:11-12.
Williams, G.W. 2000. The USDA Forest
Service—First century. FS-650—Jul 2000.
USDA Forest Service, Washington, DC.
Wilson, P. and M. King. 2003. Arable Plants—
a field guide. Available at http://www.
arableplants.fieldguide.co.uk. Wild Guides
and English Nature, London.

Winter, M. 2003. Embeddedness, the new food
economy and defensive localism. J. Rural
Studies 19:23-32.
Wood, C.W., J.H. Edwards, and C.G. Cummins.
1991. Tillage and crop rotation effects on
soil organic matter in a Typic Hapludult of
Northern Alabama. J. Sustainable Agric.
2:31-41.
Worldwatch. 2006. Biofuels for transportation;
Global potential and implications for
sustainable agriculture and energy in
the 21st Century. (Extended Summary).
Worldwatch Institute, Washington, DC.
WTO. 2005. Understanding the WTO: The
agreements. Agriculture: Fairer markets for
farmers. Available at http://www.wto.org/
english/thewto_e/whatis_e/tif_e/agrm3_e.
htm. WTO, Geneva.
WTO. 2006. News Items—DG Lamy: Time
out needed to review options and positions.
Available at http://www.wto.org/english/
news_e/news06_e/tnc_dg_stat_24july06_e.
htm. WTO, Geneva.
Yoder, F. 2003. Testimony of Fred Yoder,
President, National Corn Growers
Association before the US Senate Foreign
Relations Committee, June 24, 2003.