Stabilisation of metals in mine spoil with amendments and growth of red fescue in symbiosis with mycorrhizal fungi

L. Simon, J. Tamás, E. Kovács, B. Kovács, B. Bíró

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Metal stabilisation effects of amendments (1% m/m CaCO3-L, 5% m/m municipal sewage sludge compost-MSSC, and 7.5% m/m natural zeolite-Z) were studied on acidic mine spoil (pHKCl 3.73) from Gyöngyö soroszi (Hungary) containing Cd-15.0, Cu-336, Mn-568, Pb-1919, and Zn-3306 mg/kg. Red fescue (Festuca rubra, cv. Keszthelyi 2) was grown in a pot experiment in amended mine spoil, and was infected with spores of a Zn-tolerant arbuscular mycorrhizal fungi (AMF) Glomus intraradices. During 12 weeks of plant growth L + MSSC + Z amendments were more effective in stabilizing the pH, reducing the leaching and phytoavailability of metals in mine spoil than the lime application itself. Liming (L) had a negative effect on Cd, Mn and Zn concentrations in mine spoil water (lea-chate) as compared to the untreated control. In mine spoil stabilized with a combination of amendments red fescue growth can be established in symbiosis with AMF. Rate of AMF infection (F 4%) was low in limed mine spoil but was especially high (F 93%) in the case of L + MSSC + Z application. In shoots of these cultures - as a trend - AMF reduced the concentration of Cd by 35-55%, Cu by 9-34%, Mn by 14-55%, and Zn by 22-44%.

Original languageEnglish
Pages (from-to)385-391
Number of pages7
JournalPlant, Soil and Environment
Volume52
Issue number9
Publication statusPublished - Sep 2006

Fingerprint

Festuca rubra subsp. rubra
mine spoil
Symbiosis
symbiosis
mycorrhizal fungi
stabilization
Fungi
Metals
metals
fungus
Sewage
metal
Growth
Festuca
Zeolites
Mycoses
Hungary
Spores
Soil
Festuca rubra

Keywords

  • Amendments
  • Arbuscular mycorrhizal fungi
  • Heavy metals
  • Mine spoil
  • Red fescue
  • Stabilisation

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

Cite this

Stabilisation of metals in mine spoil with amendments and growth of red fescue in symbiosis with mycorrhizal fungi. / Simon, L.; Tamás, J.; Kovács, E.; Kovács, B.; Bíró, B.

In: Plant, Soil and Environment, Vol. 52, No. 9, 09.2006, p. 385-391.

Research output: Contribution to journalArticle

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