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The effect of the timing of harvesting the first regrowth of the sward on relative feed value

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cris.virtual.author-orcid0000-0003-3663-8826
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cris.virtualsource.author-orcid8cc3d8c6-eb76-45ba-b461-1a1d5e664c52
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dc.abstract.enThe timing of harvesting the first regrowth affects the quantity and quality of the harvested forage, induding fibre content Plant fibre is the building block of cell walls, ils components are cellulose, hemicellulose, lignin, undecomposed protein, pectin, water and ash. Its properties are intluenced by factors such as meteorological condilions in a given season, soil conditions and ferlilizalion, as well as the developmentał stage of the plants at the time of harvest. This paper presents the results of a three-year (2014-2016) study conducted on a three-cut permanent hay-meadow located on mineral soil. Mineral fertilization was carried out annually at the following rates: 60 kg·ha-1 N, 30 kg-ha-1 P and 60 kg-ha-1 K. Biomass sampies for testing were taken each year on five dates: April 28-30, May 5-7, May 11-14, May 18-21 and May 24-28. The content of ADF (acid detergent fibre), NDF (neutral detergent fibre), ADL (acid detergent lignin) was determined in the collected plant samples. Next, the effect of the dale of harvesting the first regrowth of the swardon the degree of lignification, dry matter digestibility (DDM), theoretical dry matter intake (DMI) and the relative feed value of the forage expressed by the RFV index was evaluated. The study found an effecel of the timing of harvesting the first regrowth of the sward on the parameters studied. The fibre fraction contents of NDF, ADF and ADL increased each year with the following dates, having an effect on reducing the relative feed value of plants.
dc.affiliationWydział Rolnictwa, Ogrodnictwa i Bioinżynierii
dc.affiliation.instituteKatedra Łąkarstwa i Krajobrazu Przyrodniczego
dc.contributor.authorStopa, Wojciech
dc.contributor.authorWróbel, Barbara
dc.contributor.authorPaszkiewicz-Jasińska, Anna
dc.contributor.authorZielewicz, Waldemar
dc.date.access2026-03-09
dc.date.accessioned2026-03-09T08:51:05Z
dc.date.available2026-03-09T08:51:05Z
dc.date.copyright2022-12-30
dc.date.issued2022
dc.description.accesstimeat_publication
dc.description.bibliographybibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.number2
dc.description.points20
dc.description.versionfinal_published
dc.description.volume67
dc.identifier.doi10.53502/JRGN9663
dc.identifier.eissn2719-423X
dc.identifier.issn1642-686X
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/7727
dc.identifier.weblinkhttps://www.jraae.com/The-Effect-of-the-Timing-of-Harvesting-the-First-Regrowth-of-the-Swardon-Relative,199307,0,2.html
dc.languageen
dc.relation.ispartofJournal of Research and Applications in Agricultural Engineering
dc.relation.pages39-44
dc.rightsCC-BY
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.enADF
dc.subject.enNDF
dc.subject.enADL
dc.subject.endry matter digestibility
dc.subject.endry matter intake
dc.subject.enlignificaton
dc.titleThe effect of the timing of harvesting the first regrowth of the sward on relative feed value
dc.typeJournalArticle
dspace.entity.typePublication