About: Mathematical model for prediction of alpha acids contents from meteorological data for Saaz aroma variety

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About: Mathematical model for prediction of alpha acids contents from meteorological data for Saaz aroma variety Goto Sponge NotDistinct Permalink

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
rdfs:seeAlso	http://www.actahort.org/books/848/848_14.htm
Description	Long-term monitoring of alpha acid content in hops cultivated in the region of central Europe shows notable year to year differences. Mathematical models of the relationship between alpha acid content and meteorological parameters were worked out for Saaz aroma variety using data covering the years 1981-2006. Using multi-linear regression, a ten parameter model has been outlined. Average temperatures from July and August, average air humidity from June, July and August, average daily sunshine duration from June, July and August and accumulated precipitation from August have been found as key input variables of the model. Correlation coefficient of the relationship between predicted and actual alpha acid contents is r=0.914, coefficient of determinancy r2=0.835. The model showes that alpha acid content in Saaz aroma hops is influenced by weather conditions in a relatively short time period June-August, i.e. stage of flowering, cone forming and ripening. Long-term monitoring of alpha acid content in hops cultivated in the region of central Europe shows notable year to year differences. Mathematical models of the relationship between alpha acid content and meteorological parameters were worked out for Saaz aroma variety using data covering the years 1981-2006. Using multi-linear regression, a ten parameter model has been outlined. Average temperatures from July and August, average air humidity from June, July and August, average daily sunshine duration from June, July and August and accumulated precipitation from August have been found as key input variables of the model. Correlation coefficient of the relationship between predicted and actual alpha acid contents is r=0.914, coefficient of determinancy r2=0.835. The model showes that alpha acid content in Saaz aroma hops is influenced by weather conditions in a relatively short time period June-August, i.e. stage of flowering, cone forming and ripening. (en)
Title	Mathematical model for prediction of alpha acids contents from meteorological data for Saaz aroma variety Mathematical model for prediction of alpha acids contents from meteorological data for Saaz aroma variety (en)
skos:prefLabel	Mathematical model for prediction of alpha acids contents from meteorological data for Saaz aroma variety Mathematical model for prediction of alpha acids contents from meteorological data for Saaz aroma variety (en)
skos:notation	RIV/14864347:_____/09:#0000377!RIV12-MSM-14864347
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM1486434701)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Krofta, Karel
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Chmelařský institut s.r.o.
http://linked.open...dnocenehoVysledku	324917
http://linked.open...ai/riv/idVysledku	RIV/14864347:_____/09:#0000377
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hops (Humulus lupulus L.); hop resins; weather conditions; mathematical modeling; correlation relationship (en)
http://linked.open.../riv/klicoveSlovo	weather conditions hop resins mathematical modeling hops (Humulus lupulus L.) correlation relationship
http://linked.open...ontrolniKodProRIV	[658E22929788]
http://linked.open...v/mistoKonaniAkce	Ghent, Belgie
http://linked.open...i/riv/mistoVydani	Leuven, Belgie
http://linked.open...i/riv/nazevZdroje	Proceedings of the Second International Humulus Symposium, Acta Horticulturae 848
http://linked.open...in/vavai/riv/obor	DG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Krofta, Karel Kučera, Jiří
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2008-09-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Investigation and control stress factors of hop
issn	0567-7572
number of pages	9 (xsd:int)
http://purl.org/ne...btex#hasPublisher	International Society for Horticultural Science
https://schema.org/isbn	9789066057227

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