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Effects of includin...
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Dhamala, Nawa RajAarhus University
(författare)
Effects of including forbs on N-2-fixation and N yield in red clover-ryegrass mixtures
- Artikel/kapitelEngelska2018
Förlag, utgivningsår, omfång ...
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2018-01-09
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Springer Science and Business Media LLC,2018
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Springer Verlag (Germany),2024
Nummerbeteckningar
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LIBRIS-ID:oai:slubar.slu.se:93937
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https://res.slu.se/id/publ/93937URI
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https://doi.org/10.1007/s11104-017-3554-9DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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Legume biological nitrogen (N-2)-fixation is stimulated by neighbouring non-fixing species, but studies of legume N-2-fixation in temporary grasslands including non-leguminous forage herb (forb) species are rare.We investigated N-2-fixation, N yield, and total herbage production in a range of species mixtures consisting of three forb species-chicory (Cichorium intybus L.), ribwort plantain (Plantago lanceolata L.), and caraway (Carum carvi L.)-mixed into a traditional red clover (Trifolium pratense L.) and perennial ryegrass (Lolium perenne L.) mixture at two fertilisation levels.The percentage of red clover N derived from the atmosphere (%Ndfa) was higher in mixtures containing non-legumes than in pure stand but, did not increase with inclusion of forbs. On a whole-seasonal basis, red clover in mixtures derived 90% or more of its N from fixation even when fertilised with 216 kg total N ha(-1). Forbs, in particular chicory, reduced the amount of N-2-fixation and total N yields by affecting the red clover proportion in the harvested biomass.Generally, inclusion of forbs in red clover-ryegrass mixtures had no negative effect on total herbage production and percentage of legume N-2-fixation. However, to maintain a high total N and N-2-fixation yields, mixtures should not include a high seeding proportion of chicory.
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Rasmussen, JimAarhus University(Swepub:slu)49886
(författare)
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Carlsson, GeorgSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Biosystem och teknologi,Department of Biosystems and Technology(Swepub:slu)48872
(författare)
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Aarhus UniversityBiosystem och teknologi
(creator_code:org_t)
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Sveriges lantbruksuniversitet
Sammanhörande titlar
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Ingår i:Plant and Soil: Springer Science and Business Media LLC424, s. 525-5370032-079X1573-5036
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