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Demonstrational gardens with EDTA-washed soil. Part II, Soil quality assessment using biological indicators
ID Kaurin, Anela (Author), ID Gluhar, Simon (Author), ID Maček, Irena (Author), ID Kastelec, Damijana (Author), ID Leštan, Domen (Author)

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Abstract
In this study, we evaluated the impact of washing of Pb, Zn and Cd contaminated soil using EDTA-based technology (ReSoil®) on soil biological properties by measuring some of the most commonly used/sensitive biological indicators of soil perturbation. We estimated the temporal dynamics of the soil respiration, the activities of soil enzymes (dehydrogenase, β-glucosidase, urease, acid and alkaline phosphatase), and the effect of the remediation process on arbuscular mycorrhizal (AM) fungi in original (Orig), remediated (Rem) and remediated vitalized (Rem+V) soils during a more than one-year garden experiment. ReSoil® technology initially affected the activity level of soil microbial respiration and all enzyme activities except urease and reduced AM fungal potential in the soil. However, after one year of vegetable cultivation and standard gardening practices, soil microbial respiration, acid and alkaline phosphatase in the Rem and Rem+V reached similar activities as in the Orig. Only the activities of dehydrogenase and β-glucosidase remained lower in the remediated soil compared to the Orig. The frequency of arbuscular mycorrhiza in the root system, arbuscular density in the colonized root fragment, and the intensity of mycorrhizal colonization in the colonized root fragments in the remediated treatments increased with time; at the end of the experiment, no consistent differences in these parameters of mycorrhizal colonization were found among the treatments. Our results suggest a restored biological functioning of the remediated soil after one year of vegetable cultivation. In general, no differences were found between the Rem and Rem+V treatments, indicating that simple common garden practices are sufficient to restore soil functioning after remediation.

Language:English
Keywords:remediated soil, enzyme activity, microbial respiration, arbuscular mycorrhiza, soil biological properties, soil functioning
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Publication status:Published
Publication version:Version of Record
Year:2021
Number of pages:9 str.
Numbering:Vol. 792, art. 148522
PID:20.500.12556/RUL-133182 This link opens in a new window
UDC:631.4
ISSN on article:0048-9697
DOI:10.1016/j.scitotenv.2021.148522 This link opens in a new window
COBISS.SI-ID:68311811 This link opens in a new window
Publication date in RUL:16.11.2021
Views:727
Downloads:131
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Record is a part of a journal

Title:Science of the total environment
Shortened title:Sci. total environ.
Publisher:Elsevier
ISSN:0048-9697
COBISS.SI-ID:26369024 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

Language:Slovenian
Keywords:čiščenje tal, pranje tal, talni encimi, talni mikroorganizmi, vrtnine, remediacija, očiščena tla, biološke lastnosti tal, arbuskularna mikoriza, težke kovine, svinec, cink, kadmij, kemična sestava, varna hrana

Projects

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Project number:J4-8219
Name:Vrtovi z remediiranimi tlemi: zmanjševanje tveganja in pridelava varne hrane

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