A combination of bacterial products and cover crops as an innovative method of weed control in organic spring barley

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dc.abstract.enField research was conducted at Siedlce University of Natural Sciences and Humanities in 2019–2021. The objective was to determine the effects of bacterial formulations and cover crops on the biomass, number and species composition of dominating weeds prior to spring barley harvest. The field trial involved two factors: A – bacterial formulations: I – control, II – nitrogen-fixing bacteria (Azospirillum lipoferum Br17, Azotobacter chroococcum), III – nitrogen-fixing bacteria (Azospirillum lipoferum Br17, Azotobacter chroococcum) + phosphorus-solubilizing bacteria (Bacillus megaterium var, phosphaticum, Arthrobacter agilis), IV – nitrogen-fixing bacteria (Azotobacter chroococcum) + plant growth-promoting rhizobacteria (PGPR) (Bacillus subtilis, Bacillus amyloliquefaciens, Pseudomonas fluorescens); B – cover crops: control without a cover crop, red clover, red clover + Italian ryegrass, Italian ryegrass. Spring barley was harvested in late July. Weed samples were collected just before harvest to determine the fresh and dry matter of weeds as well as their number and species composition. The research demonstrated conclusively that an application of bacterial products combined with cover crops contributed to a significant reduction in the weight and number of weeds including dominating species such as Chenopodium album, Sinapis arvensis, Tripleurospermum inodorum and Elymus repens. Superior weed control was achieved in spring barley grown in combination with Azotobacter chroococcum + PGPR and a mixture of red clover and Italian ryegrass as a cover crop.
dc.affiliationWydział Rolnictwa, Ogrodnictwa i Bioinżynierii
dc.affiliation.instituteKatedra Gleboznawstwa i Mikrobiologii
dc.contributor.authorPłaza, Anna
dc.contributor.authorNiewiadomska, Alicja
dc.contributor.authorGórski, Rafał
dc.contributor.authorRosa, Robert
dc.date.access2025-07-04
dc.date.accessioned2025-10-27T12:12:52Z
dc.date.available2025-10-27T12:12:52Z
dc.date.copyright2023-04-27
dc.date.issued2023
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if0,7
dc.description.number2
dc.description.points100
dc.description.versionfinal_published
dc.description.volume63
dc.identifier.doi10.24425/jppr.2023.144510
dc.identifier.eissn1899-007X
dc.identifier.issn1427-4345
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/5486
dc.identifier.weblinkhttp://www.plantprotection.pl/Combination-of-bacterial-products-and-cover-crops-as-an-innovative-method-of-weed,161122,0,2.html
dc.languageen
dc.relation.ispartofJournal of Plant Protection Research
dc.relation.pages196-207
dc.rightsCC-BY-NC-ND
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.encereals
dc.subject.enintercropping
dc.subject.enmicroorganisms
dc.subject.enorganic agriculture
dc.subject.enweeds
dc.titleA combination of bacterial products and cover crops as an innovative method of weed control in organic spring barley
dc.typeJournalArticle
dspace.entity.typePublication