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Permanent link (DOI): https://doi.org/10.7939/R3FX7412X

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Anthroposol development from limestone quarry substrates. Open Access

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Author or creator
Cohen-Fernández, A. C.
Naeth, M. A.
Wilkinson, S. R.
Additional contributors
Subject/Keyword
native grasses
soil amendments
Limestone substrate
Type of item
Journal Article (Published)
Language
English
Place
Time
Description
Limestone quarry reclamation worldwide requires development of substrates or anthroposolic soils. The suitability of three limestone substrates (gray, gray brown, crushed) for revegetation was assessed in two greenhouse experiments. In the first experiment amended substrates (pulp mill sludge, two manures, hay, straw, wood shavings, capping with two soils) alone and in combination with fertilizer and elemental sulfur were evaluated. Amendment rates were assessed in a second experiment. Plant density and above- and below-ground biomass were used to determine substrate suitability. The three limestone substrates supported germination, emergence and establishment of five native grasses when amended. Addition of fertilizer yielded three times more above-ground biomass and two times more below-ground biomass compared with the control, despite reducing plant density. Sulfur application did not significantly affect plant variables. Capped topsoil, clean fill and incorporated pulp mill sludge yielded the highest above-and below-ground biomass and plant density. To a lesser extent manure compost favorably changed plant parameters, but hay and straw did not. High fertilizer and amendment rates yielded better results than medium and low rates; pulp mill sludge was the exception with no significant difference in plant performance between low and high rates. Suitable anthroposols for limestone quarry reclamation were achieved.
Date created
2013
DOI
doi:10.7939/R3FX7412X
License information
Rights
© 2013 Agricultural Institute of Canada. This version of this article is open access and can be downloaded and shared. The original author(s) and source must be cited.
Citation for previous publication
Cohen-Fernández, A. C., Naeth, M. A. and Wilkinson, S. R. 2013. Anthroposol development from limestone quarry substrates. Can. J. Soil Sci. 93: 555–566.
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