Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
2017
Forfattere
Therese With BergeSammendrag
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Sammendrag
Revegetation of roadsides is an opportunity for grassland restoration, yet these habitats are prone to be colonised by invasive alien plant species (IAS). Therefore, the selection of seed mixtures for revegetation should consider potential competition with IAS present in the soil seed bank or arriving by traffic-related seed rain. We investigated whether the limiting similarity hypothesis, in terms of plant seed-size-output strategy, could be used to design native grassland communities resistant to IAS. In a greenhouse experiment, a small- or a large-seeded IAS was sown into factorial combinations of two native communities with small or large seed-size-output strategies attwo sowing densities. Height and aboveground biomass of the IAS were measured after four and eight weeks, respectively. Small-seeded native communities at high density were highly effective in suppressing the small- and large-seeded IAS, mostly controlled by a density effect. Thus, limiting similarity in seed-size-output strategy only partly explained resistance to IAS, while density-driven suppression was more effective.
Forfattere
Paal KrokeneSammendrag
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Sammendrag
On September 6th – 11th in 2015, the Norwegian Institute of Bioeconomy Research (NIBIO) organized The 12th International Christmas Tree Research and Extension Conference (CTREC) at Honne, Norway. Around 40 participants from Australia, Austria, Canada, Denmark, France, Greece, Hungary, Iceland, Norway, UK, and USA gathered to share skills and recent research related to Christmas tree production and marketing. Nearly 50 presentations (oral and poster) were given during the conference covering the following topics; Breeding & genetic, Insects, Tree health, Physiology, Growth conditions & integrated pest management, Postharvest, and Market & economy. Abstracts, extended abstracts or papers from all presentations are available in this proceedings.
Forfattere
Arne StensvandRedaktører
Claudio Ioriatti Petros Damos Adriana Escudero-Colomar Christian LinderSammendrag
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Forfattere
Csilla Farkas Rain Elken Juan Manuel Garcia Diaz Anatoli Vassiljev Attila Nemes Johannes Deelstra Andreas Porman Tiia Pedusaar Per Stålnacke Peeter EnnetSammendrag
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Forfattere
Andre van Eerde Yanliang Wang John-Kristian Jameson Lisa Paruch Aniko Varnai Hege Særvold Steen Vincentius Gerardus Henricus Eijsink Jihong Liu ClarkeSammendrag
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Sammendrag
We determine the production risk effects and welfare implications of single-trait Bt corn adoption in the Philippines. We use a stochastic production function estimation approach that allows for examining the skewness effects of Bt within a damage abatement specification. Our results indicate that Bt corn has a statistically significant yield increasing, risk-increasing (i.e., variance-increasing) and downside risk-reducing (i.e., skewness-increasing) effects. Based on risk premium, certainty equivalent, and loss probability welfare measures, Bt corn farmers in the Philippines are better-off (in absolute terms) relative to non-Bt farmers given Bt corn's dominant yield increasing effect and downside risk-reducing effect.
Sammendrag
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Forfattere
Ola FlatenSammendrag
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