EPA: Evaluation of Irrigation Scheduling For Salinity Control In Grand Valley, June 1974

“Research reports of the Office of Research and Monitoring, Environmental Protection Agency, have been grouped into five series. These five broad categories were established to facilitate further development and application of environmental technology…The five series are: 1. Environmental Health Effects Research; 2. Environmental Protection Technology; 3. Ecological Research; 4. Environmental Monitoring; 5. Socioeconomic Environmental Studies”