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)
Radar LV (Growmark)
Radiance (Aquatrols Corporation of America, Inc.)
Radiant SC (Dow AgroSciences)
Radiate (Loveland Industries, Inc.)
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)