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Sulfur dioxide as a source of sulfur for wheat

Journal Article · · Soil Sci. Soc. Am., Proc.; (United States)
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Sulfur dioxide was injected into the soil as a source of S for wheat in greenhouse and field studies with S-deficient athena and palouse silt loam soils. Yields were approximately doubled when SO/sub 2/ was applied at a rate of 2.5 ppM S in the greenhouse. Higher rates of SO/sub 2/ up to 500 ppM S gave little additional growth. Plant growth responses to SO/sub 2/ and gypsum at 10 ppM S were almost identical. In greenhouse experiments SO/sub 2/ applied at 2,500 ppM S greatly reduced plant growth, and 5,000 ppM S proved lethal to the plants soon after emergence. Concentration of S in plants was directly related to rate of S application. In field trials, SO/sub 2/ was applied at rates of 8, 16, 32, and 64 lb S/acre. No adverse effects were noted at the higher rates of application. Sulfur dioxide compared favorably with gypsum as a source of S with respect to plant growth response, total sulfur uptake and wheat yield in the greenhouse, and with respect to total S uptake in the field.
OSTI ID:
6577178
Journal Information:
Soil Sci. Soc. Am., Proc.; (United States), Journal Name: Soil Sci. Soc. Am., Proc.; (United States) Vol. 29; ISSN SSSAA
Country of Publication:
United States
Language:
English

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Related Subjects

500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
ALKALINE EARTH METAL COMPOUNDS
BUILDINGS
CALCIUM COMPOUNDS
CALCIUM SULFATES
CEREALS
CHALCOGENIDES
ECOLOGICAL CONCENTRATION
GRAMINEAE
GRASS
GREENHOUSES
GROWTH
GYPSUM
MINERALS
OXIDES
OXYGEN COMPOUNDS
PLANT GROWTH
PLANTS
POLLUTION
SULFATE MINERALS
SULFATES
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
WHEAT