Subsurface drip irrigation is used extensively for irrigation of vegetable crops in the Coachella Valley
- OES designed system for eggplants.
- Located property corners
- Irrigation system design parameters
- Installation inspection
- Operational and maintenance specifications
- Irrigation design work on Kauai, Maui, Hawaii and Oahu
- Sugarcane and pineapple fields
- 1975 and 1986
- 400 acre alfalfa ranch including reservoir, pump station, sprinklers, and mainlines.
- OES developed irrigation systems for citrus, stone fruits and vegetables.
- 7 different sites throughout Iran
- Row-crop drip irrigation analysis and design