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.
2010
Sammendrag
Det er ikke registrert sammendrag
Forfattere
Kristin DaugstadSammendrag
Det er ikke registrert sammendrag
Forfattere
Gustav FystroSammendrag
Husdyrproduksjon i et globalt perspektiv foregår med ekstrem variasjon i driftsopplegg, der produksjonsgrunnlag, sosiale relasjoner og kulturelle forhold i stor grad har påvirket driftsmåter gjennom historien. Globalisering, industrialisering, teknologiutvikling og markedstilpassing har de siste åra endret husdyrholdet mye, og ulikt i ulike verdenshjørner. Norsk husdyrproduksjon er en moderne småskalavariant, der produksjonsgrunnlaget bestående av mye grasarealer er en viktig årsak til et relativt stort innslag av grovfôrbasert husdyrhold. I denne artikkelen blir det drøftet noen overordnede faktorer for bærekraft i de dominerende husdyrproduksjonene i Norge.
Sammendrag
Det er ikke registrert sammendrag
Forfattere
Anne Kari BergjordSammendrag
Foredraget inneholdt en presentasjon av foreløpige resultater fra feltforsøk med ulike kombinasjoner av husdyrgjødsel og mineralgjødsel til bygg.
Forfattere
Bolette BeleSammendrag
Det er ikke registrert sammendrag
Forfattere
Trygve S. Aamlid Line Rosef Per Anker Pedersen Anne A. SteensohnSammendrag
A factorial trial comparing various subsoils (mineral, organic, and 50/50 (v/v) mineral/organic mixture), no liming vs. liming (1100 kg CaO/ha), and no sowing vs. sowing of an imported seed mixture or a mixture based on Norwegian mountain ecotypes, was established on 9 July 2008 in Bitdalen, Telemark. The establishment of vegetation from seed was faster on the organic and mixed soils than on the mineral soil. Although the initial pH(H2O) was higher in the mineral soil (5.8) than in the organic and mixed soils (4.9-5.0), the greatest relative effect of liming on plant cover was found on the former soil type. The imported seed mixture, mostly consisting of Danish and Dutch varieties, resulted in faster establishment than the seed mixture consisting of Norwegian ecotypes. One year later, the difference in ground cover was less conspicuous, but total above-ground plant biomass was almost three times higher after use of the imported seed mixture (77 vs. 29 g DM/m2). The imported seed also had a much greener appearance than the Norwegian ecotypes and the local vegetation. On average for soil types and liming treatments, the ground cover on unseeded plots increased from 1% six weeks after sowing to 24% after fourteen months; this cover mostly consisted of Agrostis spp. and mosses. It is concluded (1) that soil organic matter is a valuable resource that should be well preserved during restoration projects; (2) that the use of imported / unadapted seed mixtures must be avoided; and (3) that the use of a well adapted seed mixture from alpine ecotypes may be a good alternative to leaving the ground unseeded especially where there is a poor seed bank, where there is a need for rapid development of vegetation cover, or where a cover of grasses is wanted for functional reasons.
Forfattere
Trygve S. Aamlid Jon SælandSammendrag
The Norwegian Nature Management Act prohibits use of introduced plant material in natural and semi-natural landscapes. The main objectives of the project FJELLFRØ are (1) to collect parent seed material in mountain regions, and (2) to propagate and develop seed production techniques for these species/ecotypes. The project is owned by Telemark Seed Growers Association, supported financially by Innovation Norway and various public agencies / private companies for the period 2007-2010, and organized by Bioforsk. A total of 420 g site-specific seeds of 227 ecotypes belonging to 33 species have been collected in geographically distant mountain regions in 2005, 2007 and 2008. Species of high priority are Festuca ovina, Poa alpina, Phleum alpinum, Avenella flexuosa, Agrostis mertensii, Anthoxanthum odoratum ssp. alpinum. By November 2009, 38 first generation multiplication fields have been established after raising transplants in nurseries. By the same date, 13 commercial second-generation fields have been seeded by farmers organized through Telemark Seed Grower"s Association. Site-specific seed mixtures are expected for sale from 2011 onwards
Forfattere
Trygve S. AamlidSammendrag
Det er ikke registrert sammendrag
Forfattere
Trygve S. AamlidSammendrag
Det er ikke registrert sammendrag