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Title Symbiont effect of Rhizobium bacteria and vesicular arbuscular mycorrhizal fungi on Pisum sativum in recultivated mine spoils
Creator/Author Biro, B. ; Voros, I. ; Kovespechy, K. ; Szegi, J. (Hungarian Academy of Sciences, Budapest (Hungary). Soil Science and Agricultural Chemistry Research Institute)
Publication Date1993 Jul 01
OSTI IdentifierOSTI ID: 7054648
Other Number(s)ISSN0149-0451; CODEN: GEJODG
Resource TypeJournal Article
Resource RelationGeomicrobiology Journal ; Vol/Issue: 11:3/4
Subject010900 -- Coal, Lignite, & Peat-- Environmental Aspects ;540250 -- Environment, Terrestrial-- Site Resource & Use Studies-- (1990-); REVEGETATION; FERTILIZERS;FUNGAL DISEASES;FUNGI;LIGNITE;MINERAL WASTES;MINING;MYCORRHIZAS;PEAS;PLANTS;SEWAGE SLUDGE;SOILS
Related SubjectBIOLOGICAL MATERIALS;BIOLOGICAL WASTES;BROWN COAL;CARBONACEOUS MATERIALS;COAL;DISEASES;ENERGY SOURCES;FOOD;FOSSIL FUELS;FUELS;INFECTIOUS DISEASES;MATERIALS;PLANTS;SEWAGE;SLUDGES;SOLID WASTES;VEGETABLES;WASTES
Description/Abstract The frequency (F%) of spontaneous endomycorrhizal fungal infection (AMF) and the root modulation of Pisum sativum L, was studied after 8 and 15 years of recultivation in 4 soils (andesitic tuff yellow sand, yellow clay, and grey clay) disturbed by mining activities.^The effects of Rhizobium inoculation and the interaction of both microsymbionts with plant production were also examined along with humus content and the humus stability coefficient, in the following variations: control, NPK fertilizer, NPK+lignite, NPK+straw and sewage sludge.^Dump spoils originating from deep geological layers were poor in organic materials.^After 12 years of recultivation, the humus content increased significantly.^No such increase was noted in grey clay and the natural, brown forest soil used as an undisturbed (control) sample.^The degradation of soils by mining brings about a decrease in the rhizobial and mycorrhizal population, so the number of spontaneous Rhizobium nodules is relatively low and does not influence the yield of peas.^Inoculation with a selected effective strain of Rhizobium leguminosarum bv. viceae, however, enhanced dry matter production in these microbiologically degraded soils.^Although the frequency of AMF infection was also higher after rhizobial inoculation, no positive correlation was found between dry matter production of peas and the F% of AMF.^Spoils treated with lignite, straw, and sewage sludge had an especially high level of spontaneous mycorrhizal populations, indicating that organic materials had a favorable effect on the recultivation processes and fertility of mine spoils.
Country of PublicationUnited States
LanguageEnglish
FormatPages: 275-284
System Entry Date2001 May 13

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