About: Microbial processing of humic acids extracted from soils of a long-term field trial

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Huminové kyseliny byly extrahovány z vybraných parcel dlouhodobého polního pokusu. V tekutém plném nebo deficitním kultivačním mediu (třepaných kulturách) byly rozkládány suspenzí půdních mikroorganismů. Po inkubyci byly sledovány změny FT-IR spektra huminových kyselim. Huminové kysliny z hnojených variant vykazovaly nižší rezistenci vůči mikrobnímu rozkladu. (cs) Humic acids extracted with alkali from non-fertilised and fertilised (NPK + organic manure) soils of the field trials established 45 years ago were exposed to activities of a mixed population of indigenous soil micro-organisms in the laboratory. The individual cultures were kept on a rotary shaker for 21 days (aerobic conditions) or let standing for 12 months (semi-aerobic conditions) in order to determine the utilisation of HA as nutrients, and possible HA structural transformations. In a full-strength nutrient broth HA positively affected the yields of microbial biomass, that, however, was strongly diminished if HA served as the only sources of carbon and nitrogen. In contrary, the utilisation of HA was up to 47.3% under semi-aerobic conditions in cultures deficient in easy utilisable sources of carbon (glucose). No substantial differences were observed in the microbial processing of HA from non-fertilised or fertilised soils. Humic acids extracted with alkali from non-fertilised and fertilised (NPK + organic manure) soils of the field trials established 45 years ago were exposed to activities of a mixed population of indigenous soil micro-organisms in the laboratory. The individual cultures were kept on a rotary shaker for 21 days (aerobic conditions) or let standing for 12 months (semi-aerobic conditions) in order to determine the utilisation of HA as nutrients, and possible HA structural transformations. In a full-strength nutrient broth HA positively affected the yields of microbial biomass, that, however, was strongly diminished if HA served as the only sources of carbon and nitrogen. In contrary, the utilisation of HA was up to 47.3% under semi-aerobic conditions in cultures deficient in easy utilisable sources of carbon (glucose). No substantial differences were observed in the microbial processing of HA from non-fertilised or fertilised soils. (en)
Title	Microbial processing of humic acids extracted from soils of a long-term field trial Microbial processing of humic acids extracted from soils of a long-term field trial (en) Mikrobiální zpracování huminových kyselin, extrahovaných z půd dlouhodobých půdních pokusů. (cs)
skos:prefLabel	Microbial processing of humic acids extracted from soils of a long-term field trial Microbial processing of humic acids extracted from soils of a long-term field trial (en) Mikrobiální zpracování huminových kyselin, extrahovaných z půd dlouhodobých půdních pokusů. (cs)
skos:notation	RIV/00027006:_____/04:2542!RIV08-MZE-00027006
http://linked.open.../vavai/riv/strany	137;145
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MZE0002700601)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Kubát, Jaromír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Výzkumný ústav rostlinné výroby, v.v.i.
http://linked.open...dnocenehoVysledku	573469
http://linked.open...ai/riv/idVysledku	RIV/00027006:_____/04:2542
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	soil organic matter; humic acids; microbial utilisation; microbial transformation (en)
http://linked.open.../riv/klicoveSlovo	microbial utilisation humic acids soil organic matter microbial transformation
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[FDCD9854983F]
http://linked.open...i/riv/nazevZdroje	Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis
http://linked.open...in/vavai/riv/obor	EE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2004
http://linked.open...v/svazekPeriodika	52
http://linked.open...iv/tvurceVysledku	Kubát, Jaromír Filip, Z.
http://linked.open...n/vavai/riv/zamer	Principy vytváření, kalibrace a validace trvale udržitelných a produktivních systémů hospodaření na půdě
issn	1211-8516
number of pages	9 (xsd:int)

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