R-11 Spreader-Activator (Wilbur-Ellis)
R-20 (Wilbur-Ellis)
R-56 Spreader-Sticker (Wilbur-Ellis)
R-900 (Wilbur-Ellis)
R-Agent DL (Chemurgic Agricultural Chemicals, Inc.)
R.E.M. 15-2-3 (Helena Chemical Company)
R.O.C. (Wilbur-Ellis)
R.S.S.I. Granules (BioWorks, Inc.)
R.S.S.I. WP (BioWorks, Inc.)
Radar AM (Growmark)
Radiance (Aquatrols Corporation of America, Inc.)
Radiant SC (Dow AgroSciences)
Radiate (Loveland Industries, Inc.)
Radius (Bayer CropScience)
Rage (FMC Corporation)
Rage D-Tech (FMC Corporation)
Rain Check (Loveland Industries, Inc.)
Rainer-EA (Wilbur-Ellis)
RainGard (Pace International)
Rally 40WSP (Dow AgroSciences)
Ramik Bars (Hacco)
Ramik Bars (Hacco)
Ramik Blocks (Hacco)
Ramik Brown (Hacco)
Ramik Green (Hacco)