Crop losses from air pollutants: A computer and field-based assessment program and crop and forest losses from air pollutants: An assessment program. Final report
Technical Report
·
OSTI ID:406043
The Air Resources Board-sponsored Crop Loss Assessment Program quantifies potential ozone-caused yield losses in 26 crops grown in California. Statewide yield loss estimates were made with aggregated county statistics, and at a subcounty level for the southern San Joaquin Valley. Interpolations of statewide 7-hr mean zone levels were made for selected air basins delimited by a 2000-ft altitudinal barrier. Estimated yield losses were calculated using 2.50 pphm as a background 12-hr average concentration. Regression analyses were performed in a detailed analysis of cotton yield responses in Kern County. Statistically significant regressions of yield vs. ozone concentration, soil characteristics and cotton variety were observed. A field survey to identify ozone injury in cotton, almond and grape was conducted at 11 sites in the Central Valley.
- Research Organization:
- California Univ., Riverside, CA (United States). Statewide Air Pollution Research Center
- OSTI ID:
- 406043
- Report Number(s):
- PB--97-106348/XAB; CNN: Contracts CARB-A033-174, CARB-A933-190
- Country of Publication:
- United States
- Language:
- English
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