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.
2006
Forfattere
Lars Tørres HavstadSammendrag
Forskningsresultater og anbefalt dyrkingsteknikk ved frøavl av engsvingel, inkl. såmetode, gjødsling, plantevern, vekstregulering, halmbehandling, vårbrenning, frøtresking etc., ble gjennomgått.
Forfattere
Richard MeadowSammendrag
Det er ikke registrert sammendrag
Sammendrag
Det er ikke registrert sammendrag
Sammendrag
Det er ikke registrert sammendrag
Forfattere
Lars Tørres HavstadSammendrag
2006 ble et et bra frøår, spesielt for hovedartenetimotei og engsvingel. Fine forhold under blomstringa, med tørt og solrikt vær, samt gode innhøstingsforhold i store deler av landet, var med og la grunnlaget for de høye frøavlingene. Noen steder førte imidlertid lokale kraftige regnbyger i innhøstingsperioden til frødryssing og avlingstap i enkelte timoteifrøenger.
Forfattere
Per Otto FlæteSammendrag
Det er ikke registrert sammendrag
Forfattere
Line E. Sverdrup Roar Linjordet Gjermund Strømman Snorre Hagen Cornelis A.M. van Gestel Åsa Frostegård Roald SørheimSammendrag
The effect of zinc on soil nitrification and composition of the microbial community in soil was investigated using a full factorial experiment with five zinc concentrations and four levels of biological complexity (microbes only, microbes and earthworms (Eisenia fetida), microbes and Italian ryegrass (Lolium multiflorum var. Macho), and microbes, ryegrass and earthworms). After 6 weeks of exposure, the activity of soil nitrifying bacteria was measured and the microbial community structure was characterized by phospholipid fatty acid (PLFA) analysis. Soil nitrification and several PLFA markers were significantly influenced by either zinc addition and/or the presence of earthworms or ryegrass, and one of the most pronounced changes was the increase of fungi and decrease of bacteria with increasing concentrations of zinc. Of particular interest, however, was the potential interaction between the presence of plants and/or earthworms and the effect of zinc, which the factorial study design allowed us to explore. Such an effect was observed in two cases: Earthworms reduced the positive effect of zinc on the fungal biomass (ANOVA, p = 0.03), and the effect of earthworms on the soil nitrification activity depended on zinc concentration (ANOVA, p < 0.05). The effect of earthworm presence was not very large, but it does show that multispecies tests might give information about metal toxicity, or bioavailability that cannot be predicted from single-species tests. (c) 2006 Elsevier Ltd. All rights reserved.
Sammendrag
This study evaluates the decay and termite resistance of Scots pine (Pinus sylvestris L.) treated with 4-methoxytrityl tetrafluoroborate (MTFB).Decay resistance tests of unleached samples showed that 2%, 1.5% and 1% concentrations of MTFB (15.4kg/m3, 11.1kg/m3, and 7.4kg/m3, retention levels, respectively) gave less than 2% decay of Postia placenta and concentrations of 2% and 1.5% less than 2% decay of Coniophora puteana.Wood specimens treated with 4-methoxytrityl tetrafluoroborate solutions were not protected against the brown rot fungi after a 14-day severe leaching process, suggesting excessive leaching of the chemical from wood. Treatment with 2% concentration protected against subterranean termites, Coptotermes formosanus Shiraki based on mass losses in both leached and unleached wood specimens in comparison with lower concentration levels.These results suggest that 4-methoxytrityl tetrafluoroborate might be promising to protect wood being used outdoors against termite attack. However, 4-methoxytrityl tetrafluoroborate did not protect wood against fungal decay. Field tests are needed to observe the performance of 4-methoxytrityl tetrafluoroborate treated wood in ground contact.
Forfattere
Remigijus Bakys Rimvis Vasiliauskas Pia Barklund Katarina Ihrmark Jan StenlidSammendrag
Det er ikke registrert sammendrag
Forfattere
Tiina Kuusela Johanna Witzell Annika NordinSammendrag
Det er ikke registrert sammendrag