Publications
NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.
2024
Authors
Annette Folkedal SchjøllAbstract
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Fruit yield in wild berry species can vary greatly from year to year. Despite the short growing season and low temperatures in the Arctic region, many small fruit species are thriving under such conditions. Cloudberry (Rubus chamaemorus L.) is a perennial dioecious plant dependent upon insects for pollination. Cloudberries are high-valued, but fruit set and yield can fluctuate substantially between years. Although most commercial harvesting of cloudberries is done from wild stands, a few commercial cultivars are available, and cultivation techniques for natural stands have been developed. There is limited knowledge of variations in cloudberry crops. Increased research on this topic can be crucial for enhancing our knowledge of cloudberry cultivation and having better predictions for increased commercial utilization.
Abstract
Only approximately 2% of the land area in Northern Norway is suitable for agricultural purposes. The short growing season and cold climate impose limitations for what can be produced. Agriculture still takes place here, with forage crops for livestock being the most important. On free rangeland areas, including both semi-natural and natural habitats, livestock grazing is common. The biomass production on some of these rangelands is presumed to be high, although little is known about the actual fodder potential. In 2022 a preliminary study was performed to determine abundance and variety of wild pasture plants, dry matter yield (DM) and feed quality in the (presumed) highest yielding vegetation types. Results showed an average of 1520 kg DM ha–1 in spring and 5380 kg DM ha–1 in autumn. Early season feed quality was high, but with rapidly decreasing trends. The number of pasture plants was also high. Our results show that in sub-arctic Northern Norway grazing animals can harvest substantial amounts of ‘free’ fodder of good quality, yet the official statistics show that only 14% of this resource is utilised. Continuous grazing is needed to maintain production and fodder quality in these areas.
Authors
Kalkidan Mulatu Ayele Mohammed Ebrahim An Notenbaert W. A. Worku Solomon Mwendia Eyuel Girmay Marit JørgensenAbstract
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Authors
Andrea FickeAbstract
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