Physical-chemical characteristics and heavy metal content of corn grown on sludge-treated strip-mine soil
Journal Article
·
· J. Agric. Food Chem.; (United States)
Corn was grown on strip-mine soil where anaerobically digested liquid sludge had been applied at a rate of 25 tons of sludge solids per acre. An adjacent plot of soil received no sludge. Corn grain grown on untreated strip-mine soil was characterized as immature and kernel size varied from small to intermediate, with about 20% of the kernels being diseased. In contrast, sludge-grown corn was well developed and corn yield increased fourfold over the untreated corn. Furthermore, a significant protein enhancement of 2.5 percentage points was also realized. Concentrations of seven heavy metals (Zn, Mn, Cu, Pb, Cr, Cd, Hg) increased in grain, cobs, and husks in that order. For corn grain grown on untreated and sludge-treated soils, essentially no significant differences were found in heavy metal content when compared to 11 other corn varieties grown normally. Heavy metal contents of both soil and sludge samples were also determined. 6 references, 4 figures, 8 tables.
- Research Organization:
- Dept. of Agriculture, Peoria, IL
- OSTI ID:
- 5775594
- Journal Information:
- J. Agric. Food Chem.; (United States), Journal Name: J. Agric. Food Chem.; (United States) Vol. 22:5; ISSN JAFCA
- Country of Publication:
- United States
- Language:
- English
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· J. Environ. Sci. Health, Part B; (United States)
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OSTI ID:5869043
Related Subjects
01 COAL, LIGNITE, AND PEAT
010900 -- Coal
Lignite
& Peat-- Environmental Aspects
560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AGRICULTURE
BIOLOGICAL ACCUMULATION
BIOLOGICAL EFFECTS
BIOLOGICAL LOCALIZATION
CADMIUM
CEREALS
CHROMIUM
COMPARATIVE EVALUATIONS
COPPER
ECOLOGICAL CONCENTRATION
ELEMENTS
GRASS
GROWTH
INDUSTRY
LAND RECLAMATION
LEAD
MAIZE
MANGANESE
MERCURY
METALS
MINING
PLANT GROWTH
PLANTS
PRODUCTIVITY
SEWAGE
SEWAGE SLUDGE
SLUDGES
SOILS
SURFACE MINING
TRANSITION ELEMENTS
WASTES
ZINC
010900 -- Coal
Lignite
& Peat-- Environmental Aspects
560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AGRICULTURE
BIOLOGICAL ACCUMULATION
BIOLOGICAL EFFECTS
BIOLOGICAL LOCALIZATION
CADMIUM
CEREALS
CHROMIUM
COMPARATIVE EVALUATIONS
COPPER
ECOLOGICAL CONCENTRATION
ELEMENTS
GRASS
GROWTH
INDUSTRY
LAND RECLAMATION
LEAD
MAIZE
MANGANESE
MERCURY
METALS
MINING
PLANT GROWTH
PLANTS
PRODUCTIVITY
SEWAGE
SEWAGE SLUDGE
SLUDGES
SOILS
SURFACE MINING
TRANSITION ELEMENTS
WASTES
ZINC