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Concentrations and variability of major, minor and trace elements in soils and crops from two Humic gleysol fields in Southeastern Ontario, Canada

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Title: Concentrations and variability of major, minor and trace elements in soils and crops from two Humic gleysol fields in Southeastern Ontario, Canada
Author: Ihnat, M.; Wang, C.; Kodama, H.
Abstract: Concentrations, chemical forms and mobility of trace elements in soils and their availability to the food chain are the basis for the nutritional and toxicological status of crops, animals and human consumers of foods therefrom. Over one dozen trace elemental constituents of rocks and soils are essential at low levels for plant and/or animal nutrition. At higher concentrations many of these essential trace elements together with other toxic elements may affect the safety and quality of food. Agricultural production can also be affected by both excesses and deficiencies of trace elements. Current environmental concerns over pollution caused by and impacting on agricultural practices are focusing on contamination of our soil resource by toxic elements and their uptake by food and feed crops, but there is a lack of reliable information regarding the levels of nutritionally and environmentally important elements in soils and crops. Multielement analyses of soils and crops are thus essential for correlations and interpretation and for uncovering hitherto unknown elemental relations. This technical bulletin is a detailed account of an investigation primarily into the minor and trace but also major element status of an agricultural soil and two crops grown thereon from farmland in Southeastern Ontario. Information herein provides a reliable database regarding background levels of a large number of minor and trace elements in an important agricultural soil as well as for establishment of soil-crop-element correlation relationships and influences of long term agricultural practices. It can serve as an information base and a methodological guide to researchers in soil and environmental sciences.
URI: http://hdl.handle.net/10214/15140
Date: 1996
Rights: In Copyright - Non-Commercial Use Permitted
Rights Holder: Agriculture and Agri-Food Canada


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