About: The influence of nitrogen fertilizer application on the occurence of couch grass

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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)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The occurrence of common couch grass (quackgrass: Elytrigia repens (L.) Desv. ex Nevski) in permanent grasslands was investigated during 2003-2009 by means of a small-plot trial. The experiment was carried out 390-402 m above sea level in the conditions of the Hruby Jesenik Mountains in the Czech Republic. The trial was managed with four levels of utilization: intensive (4 cuts per year), medium intensive (3 cuts per year), low intensive (2 cuts per year) and extensive (1 or 2 cuts per year). Four rates of fertilization were applied: nil-fertilization; P30K60; N90P30K60; and N180P30K60 (pure nutrients). Treatments without N fertilization showed the lowest ratio of couch in the swards (6.3%, and 5.8%, respectively; means of 2003-2009). The occurrence of couch in treatment N180P30K60 was 5.4% in 2003 and 30.1% in 2009. Increase in couch grass occurred as a response to nitrogen fertilization, and it was most significant in extensively utilised grasslands. The occurrence of common couch grass (quackgrass: Elytrigia repens (L.) Desv. ex Nevski) in permanent grasslands was investigated during 2003-2009 by means of a small-plot trial. The experiment was carried out 390-402 m above sea level in the conditions of the Hruby Jesenik Mountains in the Czech Republic. The trial was managed with four levels of utilization: intensive (4 cuts per year), medium intensive (3 cuts per year), low intensive (2 cuts per year) and extensive (1 or 2 cuts per year). Four rates of fertilization were applied: nil-fertilization; P30K60; N90P30K60; and N180P30K60 (pure nutrients). Treatments without N fertilization showed the lowest ratio of couch in the swards (6.3%, and 5.8%, respectively; means of 2003-2009). The occurrence of couch in treatment N180P30K60 was 5.4% in 2003 and 30.1% in 2009. Increase in couch grass occurred as a response to nitrogen fertilization, and it was most significant in extensively utilised grasslands. (en)
Title	The influence of nitrogen fertilizer application on the occurence of couch grass The influence of nitrogen fertilizer application on the occurence of couch grass (en)
skos:prefLabel	The influence of nitrogen fertilizer application on the occurence of couch grass The influence of nitrogen fertilizer application on the occurence of couch grass (en)
skos:notation	RIV/49608851:_____/11:#0000521!RIV12-MSM-49608851
http://linked.open...avai/predkladatel	Výzkumný ústav pro chov skotu, s.r.o.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LA08041), Z(MSM2678846201)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Otrhálková, Pavlína Svozilová, Marie
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	Výzkumný ústav pro chov skotu, s.r.o.
http://linked.open...dnocenehoVysledku	204500
http://linked.open...ai/riv/idVysledku	RIV/49608851:_____/11:#0000521
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	permanent grasslands; couch; N fertilization; cutting frequency (en)
http://linked.open.../riv/klicoveSlovo	N fertilization couch permanent grasslands cutting frequency
http://linked.open...ontrolniKodProRIV	[30C1BBD9EB8E]
http://linked.open...v/mistoKonaniAkce	Raumberg-Gumpenstein
http://linked.open...i/riv/mistoVydani	Gröbming
http://linked.open...i/riv/nazevZdroje	Grassland Farming and Land Management Systems in Mountainous Regions
http://linked.open...in/vavai/riv/obor	GC
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Austrian Association for Grasslands and Forage Production (ÖAG)
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Karabcová, Hana Štýbnarová, Marie Otrhálková, Pavlína Svozilová, Marie
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-01-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Uplatnění evropského modelu multifunkčního zemědělství v LFA oblastech České republiky
number of pages	3 (xsd:int)
http://purl.org/ne...btex#hasPublisher	European Grassland Federation EGF
https://schema.org/isbn	9783902559654

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