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  • Tailings  (1)
  • ferric hydroxide plaque  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Plant and soil 102 (1987), S. 177-184 
    ISSN: 1573-5036
    Keywords: extractable soil iron ; ferric hydroxide plaque ; inorganic carbonate ; organic matter ; pH ; soil particle size ; Typha latifolia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The amount of ferric hydroxide plaque deposited onTypha latifolia roots varied between wetlands submerged throughout the growing season. Plaque formation was positively correlated with extractable iron in the substrate and pH, and negatively correlated with the percent organic matter and percent inorganic carbonates in the soil. All the above correlations were significant but weak, and in a stepwise regression analysis these four soil factors accounted for 72% of the variation in plaque deposition. Plaque formation was unrelated to soil texture.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-5036
    Keywords: Agrostis gigantea ; Copper mine ; Nickel ; Tailings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Plants ofAgrostis gigantea Roth collected from Cu/Ni tailings near Copper Cliff, Ontario, were contaminated by substrate particles, and also on roots by an iron hydroxide plaque. Three washing treatments were compared on shoots and six on roots, prior to analysis for Cu, Ni and Fe. K content was compared to detect leaching. For both shoots and roots, rinsing with de-ionized water was as effective as Extran-300 or ultrasound. These three treatments caused no measured leaching from shoots. DCB removed iron plaque from roots; hot or cold EDTA removed some plaque. All treatments caused leaching of K from roots.
    Type of Medium: Electronic Resource
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