For more information on herbicides, as well as weed control practices and concerns, peruse the sites below. To easily visit any of these Web pages, first go to www.cornandsoybeandigest.com. Look for the 2004 Soybean Weed Control Guide, click on the Weed Resources icon beneath it and surf through these sites.

Universities
• California Weed Identification www.ipm.ucdavis.edu/PMG/weeds_common.html
• University of Illinois — Weed Identification web.aces.uiuc.edu/weedid
• Illinois Agricultural Pest Management Handbook ipm.uiuc.edu/publications
• Southern Illinois University www.siu.edu/~weeds
• Iowa State Weed Science www.weeds.iastate.edu
• University of Maryland Weed Science www.agnr.umd.edu/users/weed
• University of Minnesota appliedweeds.coafes.umn.edu
• University of Missouri Weed Science www.psu.missouri.edu/agronx/weeds
• Missouri Weed Science For Field Scouting muextension.missouri.edu/explore/agguides/pests/ipm1007.htm
• Montana State Center For Invasive Plant Mgt. www.weedcenter.org
• New Mexico State University Weed Science taipan.nmsu.edu/weeds
• 2004 North Carolina Ag Chemicals Manual ipm.ncsu.edu/agchem/agchem.html
• North Dakota Weed Information www.ext.nodak.edu/extpubs/weeds.htm
• Ohio State University Weed Control Guide ohioline.osu.edu/b789
• Oklahoma State University Herbicides And Use www.agr.okstate.edu/soybeans/herbicides.htm
• Purdue National Ag Pest Information System www.ceris.purdue.edu:80/napis
• Rutgers University — Weed Images www.rce.rutgers.edu/weeds
• Texas A&M — Broadleaf Weeds aggie-horticulture.tamu.edu/plantanswers/turf/publications/weed2.html
• Virginia Tech Weed Identification Guide www.ppws.vt.edu/weedindex.htm
• University of Wisconsin http://ipcm.wisc.edu/uw_weeds
Organizations And Other Sources
• CDMS — Herbicide Labels & MSDSes www.cdms.net
• Herbicide Resistance Action Committee www.plantprotection.org/HRAC
• Idaho Pest Management Links www.oneplan.org/Crop/1cPestM.htm
• International Survey Of Herbicide-Resistant Weeds www.weedscience.org/in.asp
• Kansas Ag Department Pest Identification Photos www.ks-agr.org/plantpest
• North American Weed Management Association www.nawma.org
• North Central Weed Science Society www.ncwss.org
• Northeastern Weed Science Society www.newss.org
• Southern Weed Science Society www.weedscience.msstate.edu/swss
• Weed Science Society of America www.wssa.net