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Filtering by: Creator Mallon, Angela L. Academic Affiliation Environmental and Molecular Toxicology

Long-term fertilizer input influences total and bioavailable metal in agricultural soils and crops

Creator:

Pérez, Angela L.

Abstract:

Protection of the quality and integrity of food supplies is of global concern. Crops can accumulate non-nutritive and sometimes toxic metals and metalloids. Accumulated metals/metalloids can come in part, from fertilizers, which may contain variable levels of non-nutritive metals or metalloids such as arsenic (As), cadmium (Cd), lead (Pb), nickel...

Resource Type:

Dissertation

Full Text:

ABSTRACT OF THE DISSERTATION OF Angela L. Pérez for the degree of Doctor of Philosophy in Toxicology
Soil-diffusive gradient in thin films partition coefficients estimate metal bioavailability to crops at fertilized field sites

Creator:

Pérez, Angela L. and Anderson, Kim A.

Abstract:

Field trials in four distinct agricultural soils were conducted to examine changes to total recoverable and labile soil Cd and Ni concentrations with applications of commercial phosphate fertilizers. The edible portion of wheat and potato crops grown at the field plots were analyzed for recoverable Cd and Ni. Total recoverable...

Resource Type:

Article
DGT estimates cadmium accumulation in wheat and potato from phosphate fertilizer applications

Creator:

Pérez, Angela L. and Anderson, Kim A.

Abstract:

Cadmium is a common impurity in phosphatic fertilizers and may contribute to soil Cd accumulation. Changes in total and bioavailable Cd burdens to agricultural soils and the potential for plant Cd accumulation resulting from fertilizer input was investigated. Three year field studies were conducted using three dose levels of cadmium-rich,...

Resource Type:

Article