Research assesses ozone damage to crops
Journal Article
·
· Agric. Res.; (United States)
OSTI ID:6774914
Ozone and other air pollutants are costing farmers at least $1 billion in agricultural crop losses each year. Damaging ozone is caused by a photochemical reaction of sunlight with automobile and industrial exhausts containing nitrogen oxides and hydrocarbons. It is different from the ozone layer in the Earth's stratosphere that filters out ultraviolet sunlight but does not harm crops. Ozone is carried by prevailing winds, often for hundreds or thousands of miles. A typical long-term concentration, or level, of surface ozone is 0.05 ppm. In test areas, ozone levels ranged from about 0.04 to 0.06 ppm during a 7-hour day, from 9 a.m. to 4 p.m.
- OSTI ID:
- 6774914
- Journal Information:
- Agric. Res.; (United States), Journal Name: Agric. Res.; (United States) Vol. 34:10; ISSN AGREA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
29 ENERGY PLANNING, POLICY, AND ECONOMY
290300 -- Energy Planning & Policy-- Environment
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500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560300* -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
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ECONOMIC IMPACT
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MASS TRANSFER
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290300 -- Energy Planning & Policy-- Environment
Health
& Safety
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560300* -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
CROPS
ECOLOGICAL CONCENTRATION
ECONOMIC IMPACT
ENVIRONMENTAL TRANSPORT
MASS TRANSFER
OZONE
POLLUTION
PRODUCTIVITY
TOXICITY