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.
2009
Sammendrag
Bioforsk har i samarbeid med SLF og UMB utarbeidet en Tiltaksveileder for jordbrukspåvirka vassdrag. Den er et verktøy for kommuner og fylkesmenn i arbeidet med å gjennomføre EUs Rammedirektiv for vann i Norge.
Sammendrag
Det er ikke registrert sammendrag
Forfattere
Tor J. JohansenSammendrag
Det er ikke registrert sammendrag
Sammendrag
Throughout the past few decades there has been a significant increase in TOC concentrations in several Norwegian lakes. Monitored lakes with limited or no buffer capacity (Chloride- and Sulphate-lakes), and especially the Sulphate-lakes (which have had a more pronounced decline in ionic strength related to the reduced anthropogenic acid components in precipitation), have had a significantly percentage increase in TOC concentrations throughout the past 15 yrs. Lakes with some buffer capacity (ANC-lakes) have not had a significant percentage increase in TOC concentrations throughout the same period.
Forfattere
Trygve S. Aamlid Peter J. Landschoot David R. HuffSammendrag
Lack of winter hardiness is a major limitation to the use of perennial types of annual bluegrass (Poa annua L. f. reptans (Hauskins) T. Koyama) on golf course putting greens in northern climates. Our objectives were 1) to assess the tolerance of 13 promising selections of greens-type annual bluegrass to simulated ice encasement and pink snow mold (causal fungus Microdochium nivale (Fr.) Samuels & I.C. Hallett); 2) to determine if these tolerances are interrelated or related to plant concentrations of water soluble carbohydrates (WSC); and 3) to determine if differential tolerance to SIE is associated with accumulation of toxic substances. Samples of the annual bluegrass selections were taken from an experimental putting green at University Park, PA, on four dates from 23 Nov. 2005 until 27 Mar. 2006. Samples of creeping bentgrass (Agrostis stolonifera L.) ‘Penn A-4" were included for comparison with annual bluegrass in studies on simulated ice encasement and water soluble carbohydrate. Samples were vacuum-sealed in plastic bags at 1ºC for simulated ice encasement. The critical exposure periods for annual bluegrass and creeping bentgrass were 25-30 days and 42-47 days, respectively; only small differences were found among annual bluegrass selections in tolerance to simulated ice encasement. After 26 days, concentrations of the phytotoxic compounds butanol and ethylbutyrate were two to three times higher in annual bluegrass than in creeping bentgrass samples. Significant differences were detected among annual bluegrass selections in foliar blighting and recovery 36 days after inoculation with M. nivale at 1ºC/100% relative humidity. In late November, two annual bluegrass selections from Western Pennsylvania had significantly higher water soluble carbohydrate levels than creeping bentgrass, but these levels were not correlated with tolerance to simulated ice encasement or recovery from pink snow mold. Tolerances to simulated ice encasement and pink snow mold were not interrelated.
Sammendrag
Det er ikke registrert sammendrag
Sammendrag
Det er ikke registrert sammendrag
Forfattere
Ole Martin Eklo Randi Bolli Jens Kværner Tore Sveistrup Frauke Hofmeister Eivind Solbakken Nick Jarvis Fredrik Stenemo Eirik Romstad Borghild Glorvigen Tor Anton GurenSammendrag
Contribution of pollution from pesticides is often located to minor areas within a field. Areas with coarse textured materials in the soil profile often represent "hot spots" with high risk of leaching, but also areas with example structured clay soils may be "hot spots". Other areas can be slopes or bottoms in depressions on plateaus were water can be ponded in wet periods or in springtime before the frost has disappeared from the soil profile. If pesticides with high risk of leaching were avoided on these areas, the contribution to groundwater pollution could be reduced extensively. Up to now limited information or tools have been developed for farmers to identify these areas. In a newly completed project, tools for groundwater and surface water protection was developed and evaluated. Three different types of tools have been developed: Topographical maps, risk tables and risk maps. Micro-topographical maps were developed to identify depressions and other vulnerable areas representing high risk of leaching and runoff. Tables of pesticide leaching risk to drainage and groundwater were derived from model simulations in spring cereals and potatoes with the mostly used plant protection strategies on the most common soil types for the areas. A meta-model was used for calculation of pesticide concentrations in groundwater and drainage water, coupled with digital soil maps and presented by Geographical Information Systems (GIS). Farmers from two areas evaluated the usefulness of these tools.Generally the farmers" attitudes to the new tools were positive, but this type of information should be integrated in already existing planning tools at the farm, like fertilizer planning. The project produces large amounts of information and an electronic presentation readily understood and easy to follow is important. In some cases different soil types and topography within the farm represented different risk of leaching. In such cases, it is necessary to easily find pesticides to be used for all areas to avoid time consuming washing and change of equipment.
Forfattere
Ole Martin Eklo Randi Bolli Jens Kværner Tore Sveistrup Frauke Hofmeister Eivind Solbakken Nicolas Jarvis Fredrik Stenemo Eirik Romstad Borghild Glorvigen Tor Anton GurenSammendrag
Det er ikke registrert sammendrag
Forfattere
Odd Finnes Christian UhligSammendrag
Økt pris og mindre tilgang på flis har ført til økende interesse for å bruke torv som strø til husdyr. Torv er et godt strømateriale i følge litteratur og i følge mange husdyrholdere som har gjort egne erfaringer. En viktig fordel med torv er at etterbruken blir enklere. Dette fordi torvblandet gjødsel egner seg mye bedre som plantenæring enn flisblandet gjødsel. For deg som ønsker å prøve torvstrø, er det viktig å ta hensyn til at torv har andre egenskaper enn flis, og at dette har konsekvenser for hvordan strøet skal brukes. Riktig brukt skal torv gi et mykt og tørt underlag som dyra trives på.