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Vahekultuuride biomassi moodustamise ja lämmastiku sidumise võime ning mõju suviodra saagile

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dc.contributor.authorToom, Merili
dc.contributor.authorTalgre, Liina
dc.contributor.authorTamm, Sirje
dc.contributor.authorTamm, Ülle
dc.contributor.authorTamm, Ilmar
dc.contributor.authorNarits, Lea
dc.contributor.authorTalve, Tiina
dc.contributor.authorEdesi, Liina
dc.contributor.authorLauringson, Enn
dc.contributor.departmentEesti Maaülikool. Põllumajandus- ja keskkonnainstituut. Mullateaduse õppetoolest
dc.date.accessioned2023-08-28T06:43:23Z
dc.date.available2023-08-28T06:43:23Z
dc.date.issued2023
dc.descriptionSaabunud / Received 27.05.2023 ; Aktsepteeritud / Accepted 21.06.2023 ; Avaldatud veebis / Published online 15.08.2023 ; Vastutav autor / Corresponding author Merili Toom ; merili.toom@metk.agri.eeest
dc.description.abstractCover crops play an important role in preventing nutrient loss, reducing agricultural inputs, improving soil quality and environmental sustainability. The objectives of the study were to determine the biomass and nitrogen accumulation of cover crops and their effect on the following spring barley (Hordeum vulgare L.). Field trials with cover crop species winter rye (Secale cereale L), winter turnip rape (Brassica rapa spp. oleifera L.), forage radish (Raphanus sativus L. var. longipinnatus), hairy vetch (Vicia villosa Roth), and berseem clover (Trifolium alexandrinum L.) were carried out during four growing seasons (2016/17, 2017/18, 2018/19, and 2019/20) at the Estonian Crop Research Institute (present: The Centre of Estonian Rural Research and Knowledge, METK). Cover crop biomass and N accumulation in autumn and in spring depended on species and growing conditions. The biomass and nitrogen (N) accumulation were at their lowest in the first growing season (2016/17) due to lowest level of effective temperatures. Forage radish accumulated the highest amount of biomass and N in autumn. Berseem clover accumulated lowest amount of biomass and N in the year with drought conditions (2018) before sowing. Among overwintered cover crops, hairy vetch accumulated the highest amount of N in the spring although its biomass was similar to winter turnip rape. Winter rye had the lowest biomass and N accumulation in spring. As an average over the four years, only forage radish and hairy vetch significantly increased the yield of subsequent barley. None of the cover crops had a negative effect on barley, as the yield level following other species was similar to the control without cover crop. The knowledge about cover crop selection is useful to integrate suitable species into Estonian cropping systems.eng
dc.identifier.issn2228-4893
dc.identifier.publicationAgraarteadus : Journal of Agricultural Science, 2023, vol. 34, no. 1, pp. 1-8est
dc.identifier.urihttp://hdl.handle.net/10492/8574
dc.identifier.urihttps://doi.org/10.15159/jas.23.01
dc.publisherEstonian Academic Agricultural Societyeng
dc.rightsCreative Commons Attribution 4.0 International (CC BY 4.0)eng
dc.rightsinfo:eu-repo/semantics/openAccesseng
dc.rights.holderAuthors of accepted articles retain all rights to use, reuse, and distribute the published research as long as the author credits the original publication in this journal. The authors submitting to the journal are expected to follow the general ethical guidelines regarding plagiarism. If in doubt consult the ICMJ guidelines on overlapping publications. Once accepted the journal retain the right to print and distribute the manuscript submitted by the author.eng
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/eng
dc.subjectcover cropseng
dc.subjectbiomasseng
dc.subjectnitrogen accumulationeng
dc.subjectcrop yieldeng
dc.subjectarticleseng
dc.titleVahekultuuride biomassi moodustamise ja lämmastiku sidumise võime ning mõju suviodra saagileest
dc.title.alternativeThe effect of cover crops on biomass and nitrogen accumulation and on spring barley yieldeng
dc.typeinfo:eu-repo/semantics/articleeng

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2023, Vol. 34, No. 1