Heavy metals application and plant uptake in a land disposal system for waste water
Municipal sewage effluent with sludge injected and effluent alone were spray-irrigated on reed canarygrass (Phalaris arundinacea L.) and corn (Zea mays L.), respectively. In the maximum level (10 cm/week) reed canarygrass treatment, application rates for Cu, Zn, Cd, and Pb were 15.5, 25.5, 0.162, and 9.1 kg/ha in 1972 and 7.7, 13.2, 0.135, and 7.8 kg/ha in 1973. Rates of application for Cu, Zn, Cd, and Pb in the maximum level (7.5 cm/week) cornfield treatment were 0.6, 2.0, 0.029, and 1.1 kg/ha in 1972 and 0.6, 2.4, 0.032, and 2.4 kg/ha in 1973. Reed canarygrass was irrigated year round, while corn was irrigated only during the growing season. Copper and Zn concentrations and total uptake in the treated reed canarygrass area were generally higher than in the control for all cuttings of 1972 and 1973. Total uptake of heavy metals in the corn area control was usually as high or higher than in the treated areas. Copper and Zn concentrations and uptake in the effluent irrigated corn area were lower than in the treated reed canarygrass area. Data show a relative exclusion of Cd by Zn in the plant material, since Cd/Zn ratios in the harvested crops are lower than in either the applied waste water or the 0.1 N HCl extractable fraction of the treated soils. Accumulation of applied heavy metals in the treated soils was >93% of the amounts applied in 1972 and 1973 for all heavy metals in the reed canarygrass area and slightly less in the corn area.
- Research Organization:
- Pennsylvania State Univ. University Park
- OSTI ID:
- 5196175
- Journal Information:
- J. Environ. Qual.; (United States), Journal Name: J. Environ. Qual.; (United States) Vol. 5:1; ISSN JEVQA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Accumulation of heavy metals from extended wastewater irrigation
Plant uptake of heavy metals in zinc fertilizers made from industrial by-products. [Zea Mays L. ; Beta vulgaris L]
Related Subjects
Terrestrial-- 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.
CADMIUM
CEREALS
COMPARATIVE EVALUATIONS
CONCENTRATION RATIO
COPPER
ECOLOGICAL CONCENTRATION
ELEMENTS
GRASS
GROUND DISPOSAL
HYDROGEN COMPOUNDS
IRRIGATION
LAND POLLUTION
LEAD
LIQUID WASTES
MAIZE
MANAGEMENT
METALS
MUNICIPAL WASTES
OXYGEN COMPOUNDS
PLANTS
POLLUTION
SEWAGE
SEWAGE SLUDGE
SLUDGES
SOILS
TRANSITION ELEMENTS
UPTAKE
WASTE DISPOSAL
WASTE MANAGEMENT
WASTE WATER
WASTES
WATER
ZINC