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Permanent link (DOI): https://doi.org/10.7939/R3Q52FK77

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Life cycle assessment of arsenic from poultry feed to agricultural crops Open Access

Descriptions

Other title
Subject/Keyword
Arsenic fractionation in soils amended with poultry litter
Arsenic in poultry litter
Arsenic uptake by the plants from poultry litter amended soils
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Gupta, Sanjay Kumar
Supervisor and department
Siddique, Tariq (Renewable Resources)
Examining committee member and department
Alessi, Daniel (Earth and Atmospheric Sciences)
Kachanosky, Gary (Renewable Resources)
Department
Department of Renewable Resources
Specialization
Land Reclamation & Remediation
Date accepted
2014-01-15T15:35:14Z
Graduation date
2014-06
Degree
Master of Science
Degree level
Master's
Abstract
A series of experiments were conducted to study the fate and distribution of arsenic (As) when it passes through various components of biosphere. Roxarsone, an As containing compound is added to poultry feed for enhanced feed utilization. Mass balance calculations revealed that chickens excreted ~80% of ingested As into poultry manure. A high dose of As-containing poultry litter was applied to silt-loam and loam soils to study As distribution. Sequential extraction analyses revealed that ~60% of applied As remained in highly labile water soluble fraction. Mobility of As was found more in loam soil. To study its translocation from soil to plants, barley and canola plants were grown in litter-amended soils in a growth chamber. More As was taken up from loam soil, and by canola than barley. This study suggested that As moved from poultry feed to crop plants, accumulated in roots and shoots but rarely concentrated in grains.
Language
English
DOI
doi:10.7939/R3Q52FK77
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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