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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.

2008

Sammendrag

Due to a late harvesting season compared to that found in other European countries, the sweet cherry industry in Norway is now expanding, aiming for export markets. Cultivars producing high quality fruit that ripen late (late July and throughout August) and that are suitable to grow in high density production systems are sought. In addition, early ripening cultivars are sought for local marketing in early and middle July. Testing cultivars and advanced selections has been carried out at Ullensvang Research Centre since 1959. During the last decade, 130 cultivars and advanced selections have been included in the testing program. Important parameters like fruit size, fruit firmness, low fruit cracking, high and precocious yield, fresh appearance and good flavour have been evaluated. Based on the results from this testing program, the following cultivars are currently recommended: a) for early season: `Burlat", `Moreau" and `Merchant", b) for mid-season: `Giorgia", `Chelan", `Samba", `Techlovan" and `Van", c) for late season: `Lapins", `Kordia", `Regina" and `Sweetheart".

Sammendrag

Some high density sweet cherry orchards in Norway suffer from decay of trees resulting in death or reduced vigour of trees. A survey monitoring healthy and infected trees from several orchards found differences between cultivars and rootstocks in sensitivity of tree decay. In order to investigate this cherry tree decay further, new field trials were established in 2002 with trees of the cultivar Van grafted on the two rootstocks Prunus avium seedling and Colt and trained as central leader trees. Two parallel trials were planted; one in the soil of an old cherry orchard and the other in the soil from agricultural land where no fruit production had been conducted in advance. During the first years significant larger annual vegetative growth measured as trunk girth, annual shoot growth and leaf areas were registered from the trees growing in the virgin soil. In the replanted cherry soil, trees grafted on the rootstock Colt grew more vigorously than the seedling rootstock based on leaf areas and shoot growth measurements. The rootstock Colt may be the answer for avoiding cherry replant diseases.

Sammendrag

There is hardly any commercial growing of agricultural crops for energy purposes in Norway. Cereal straw is to some extent used as solid biofuel. The agricultural area constitutes only 3 % of the total land surface in Norway, and the area is so far used for grassland (65 %) and arable crops for food and feed (35 %). There is no reason to believe that production of energy crops will increase significantly in Norway in the near future, partly due to political reasons. In Denmark, Finland and Sweden cultivation of energy crops has been commercial for several years. The objective of this presentation is to give a review of the significance and types of possible energy crops in the Nordic countries, and particularly in Norway.

Sammendrag

Innholdet av råprotein i en stor del av graset fra førsteslåtten på økologiske ku- og sauegårder var lavt. Innholdet i andreslåtten var høyere. Kløverandelen i engavlinga forklarte en stor andel av variasjonen i proteininnholdet.

Sammendrag

Målsetningen med oppdraget var å re-analysere vegetasjonsruter i faste prøveflater i Blåora (Endalen) og i Nybuslettet (Synnerdalen), for å dokumentere tilstanden og utviklingstrendene til arealene som skjøttes/ikke skjøttes. De samme prøveflatene ble også analysert i 2002. Vegetasjonsanalysene er gjennomført på oppdrag fra Midtre- Gauldal kommune.