Effects of soil type, liming, and sludge application on zinc and cadmium availability to Swiss chard

Journal Article · Fri Feb 01 04:00:00 EST 1985 · Soil Sci.; (United States)

OSTI ID:5521422

Kuo, S; Jellum, E J; Baker, A S

An investigation was made of the effects of sludge application, liming, and soil type of Zn and Cd availability to Swiss chard (Beta vulgaris L.) in pot culture under field environmental conditions. Increasing sludge application reduced soil pH, increased the amounts of Zn and Cd extractable by MgCl/sub 2/ and DTPA, and increased metal accumulation in the plants. Total metal levels in soil did not predict the accumulation in plants as well as did levels of extractable metals, even though the coefficient of determination (R/sup 2/) between extractable and total levels was high. Soils containing high amorphous Fe oxide levels generally had lower metal extractability at a constant rate of sludge application than those with low amorphous Fe oxide levels. Although pH was important in influencing metal availability for any particular soil, its influence was often less than that of amorphous Fe oxide content when availability was compared among soils. Inclusions of both pH and amorphous Fe oxide content, along with total metal content, gave the best prediction of metal availability. Soil organic matter had little relation to metal availability. Results suggest that soils high in Fe oxide content, in conjunction with soil liming, may give the best control of metal availability for accumulator species, such as Swiss chard.

• Research Organization: Washington State Univ., Puyallup
• OSTI ID: 5521422
• Journal Information: Soil Sci.; (United States), Journal Name: Soil Sci.; (United States) Vol. 139:2; ISSN SOSCA
• Country of Publication: United States
• Language: English

Related Subjects

510200* -- Environment
Terrestrial-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ALKALINE EARTH METAL COMPOUNDS
AMINO ACIDS
BIOLOGICAL ACCUMULATION
BIOLOGICAL AVAILABILITY
CADMIUM
CARBOXYLIC ACIDS
CHALCOGENIDES
CHELATING AGENTS
CHLORIDES
CHLORINE COMPOUNDS
DATA
DRUGS
DTPA
ELEMENTS
ENVIRONMENTAL EFFECTS
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
INFORMATION
IRON COMPOUNDS
IRON OXIDES
LIMING
MAGNESIUM CHLORIDES
MAGNESIUM COMPOUNDS
METALS
NUMERICAL DATA
ORGANIC ACIDS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PH VALUE
PLANTS
RADIOPROTECTIVE SUBSTANCES
RESPONSE MODIFYING FACTORS
SEWAGE
SEWAGE SLUDGE
SLUDGES
SOILS
TRANSITION ELEMENT COMPOUNDS
WASTES
ZINC