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Chemigation Educational Materials
- Protect Your Ground Water When You Chemigate (PDF, 160 kb) (HTML)
- Proteja Su Agua Subterranea Cuando Usted Hace Quimigacion (PDF, 173 kb) (HTML)
- Grower Training Manual for Backflow Prevention in Chemigation of Pesticides (PDF, 1.6 mb)
- Manual para la Capacitación de Productores Agrícolas en la Prevención de Reflujo en el Riego con Agregado de Pesticidas (Quimirriego) (PDF, 171 kb)
- Chemigation and Fertigation Basics for California (HTML, opens in new browser window)
- Protect Your Ground Water Poster (PDF, 68 kb)
Diagrams of Chemigation Systems (PDFs)
Courtesy of Larry Schwankl, Irrigation Specialist, UC Davis and
Terry Prichard, Water Mgmt. Specialist, UC Davis
- All Diagrams of Chemigation Systems (PDF, 4.4 mb)
- Positive Displacement Pump (PDF, 227 kb)
- Positive Displacement Pump Alternative 1 - 10-psi spring-loaded check valve (PDF, 370 kb)
- Positive Displacement Pump Alternative 2 - normally closed hydraulically-operated valve (PDF, 243 kb)
- Positive Displacement Pump Alternative 3 - vacuum-relief valve on gooseneck (PDF, 395 kb)
- Double Check Valve (PDF, 381 kb)
- Inline Venturi 1 - solenoid-operated valve (PDF, 264 kb)
- Inline Venturi 2 - hydraulically-operated valve (PDF, 253 kb)
- Bypass Venturi 1 - gate valve & solenoid-operated valve (PDF, 282 kb)
- Bypass Venturi 2 - gate valve & hydraulically-operated valve (PDF, 287 kb)
- Bypass Venturi 3 - gate valve & solenoid on Venturi (PDF, 294 kb)
- Bypass Venturi 4 - gate valve & hydraulic on Venturi (PDF, 277 kb)
- Bypass Venturi 5 - booster pump & solenoid-operated valve (PDF, 295 kb)
- Bypass Venturi 6 - booster pump & hydraulically-operated valve (PDF, 177 kb)
- Bypass Venturi 7 - booster pump & solenoid on Venturi (PDF, 305 kb)
- Bypass Venturi 8 - booster pump & hydraulic on Venturi (PDF, 292 kb)