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.
2022
Authors
Amritha Johny Rune Slimestad Mette Thomsen Elisabeth Ytteborg Jan Thomas Rosnes Christian KarlsenAbstract
No abstract has been registered
Authors
Jason Tyler Magnuson Zoe Longenecker-Wright Ivo Havranek Giovanna Monticelli Hans Kristian Brekken Roland Kallenborn Daniel Schlenk Magne Olav Sydnes Daniela Maria PampaninAbstract
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Authors
Adam O'TooleAbstract
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Authors
Kjersti Holt HanssenAbstract
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Authors
Alice BudaiAbstract
No abstract has been registered
Abstract
Commercial mushroom production is based on composted locally available agro-industrial wastes rich in carbon and nitrogen such as wheat straw supplemented with chicken manure. Either component can be replaced by other kinds of grain straw: barley, oat, or a mixture of different straw types and combined with diary manure—food waste digestate after anaerobic biogas digestion. Original, unseparated liquid digestate is nutritious, rich in nitrogen and organic matter. This research aimed to investigate the effect of digestate and different straw ratios on the composting process and productivity and their consequent effect on mushroom cultivation parameters of Agaricus subrufescens. All investigated experimental mushroom compost (EMC) types worked well during the composting process, reaching the desired moisture of 65–75%, N content of 1.43–1.93%, and a C/N ratio ranging from 21.5 to 29.1, supporting growth of mycelium and producing mushrooms. Supplementation with barley straw resulted in better EMC structure with the highest yield and biological efficiency (BE) (157.9 g kg−1; 64%), whereas oat addition gave the lowest yield and BE (88.6 g kg−1 and 38%). Precociousness (yield at mid-cycle of the crop development) was higher for oat substrates (68.9%), while earliness (days to harvest from casing) was lower for barley EMC.