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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.

2022

Sammendrag

In Norway, the effect of drainage on grassland yields has received little attention for decades. Low level of drainage may be a reason for low grassland production. Therefore, a drainage experiment was established in a western Norwegian ley, on a sandy silt soil with a high capacity for water storage. The plots had six and twelve meters drain spacing, as well as undrained. There were two or three cuts, and fertilization of 190 or 290 kg N yr-1 ha-1. Drainage intensity gave a small significant increase in yield. N loss in drainage water increased with drainage intensity. The yield increase is likely too small to justify drainage, but the intervention might still be worthwhile due to increased N efficiency and a more manageable risk of compaction. A precise quantification of the hydrological effects is hard due to inherent soil variability.

Sammendrag

In Norway, the effect of drainage on grassland yields has received little attention for decades. Low levels of drainage may be a reason for low grassland production. Therefore, a drainage experiment was established in a western Norwegian ley, on a sandy silt soil with a high capacity for water storage. The plots had six- and twelve-metres drain spacing, as well as an undrained treatment. For each drainage treatment there were two or three cuts per year, and fertilization of 190 or 290 kg N yr-1 ha-1. Drainage intensity gave a small significant increase in yield. N loss in drainage water increased with drainage intensity. The small herbage yield increase is unlikely by itself to justify drainage, but the drainage installation might still be worthwhile due to increased N efficiency and a more manageable risk of compaction. Precise quantification of the hydrological effects is hard to make due to the inherent soil variability.

Sammendrag

Klimaendringar gir lenger vekstsesong, meir nedbør i store deler av året, fleire tørkeepisodar, meir intense nedbørsperiodar og flaum og endra vinterforhold. Dette påverkar planteproduksjonen og behov for tilpassing i ulike produksjonar og klimasoner. Dette faktaarket handlar om strategiar for klimatilpassing for grovfôrdyrking på Vestlandet.