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.
2019
Sammendrag
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Sammendrag
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Forfattere
Samuel Wilkinson Melissa Magerøy Ana López Sánchez Lisa M. Smith Leonardo Furci T. E. Anne Cotton Paal Krokene Jurriaan TonSammendrag
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Forfattere
Márk Rékási Nikolett Mazsu Eszter Draskovits Botond Bernhardt Anita Szabó Pierre-Adrien Rivier Csilla Farkas Barbara Borsányi Béla Pirkó Sándor Molnár György Kátay Nikolett UzingerSammendrag
The aim of this work was to investigate whether the agronomic traits of vermicompost prepared from partially stabilised sewage sludge digestate after thermophilic composting were more favourable than those of conventional compost. The effects of various additives (green waste, spent mushroom compost, wheat straw, biochar) were also tested after 1.5 months precomposting followed by 3 months vermicomposting with Eisenia fetida or by compost maturing. Vermicomposting did not result in significantly more intensive mineralisation than composting; the average organic carbon contents were 21.2 and 22.2% in vermicomposts and composts, respectively. Hence, the average total (N: 2.4%; P: 1.9%; K: 0.9%) and available (N: 160 mg/kg; P: 161 mg/kg; K: 0.8%) macronutrient concentrations were the same in both treatments. The processing method did not influence the organic matter quality (E4/E6) either. However, on average the concentration of the plant growth regulator kinetin was more than twice as high in vermicomposts.
Sammendrag
Short-day (SD) treatment is used by forest nurseries to induce growth cessation in Picea abies seedlings. SD treatment may however increase the risk of reflushing in autumn and earlier bud break the following spring. When the start of the SD treatment is early in order to control seedling height, the duration of the SD treatment should be longer in order to prevent reflushing in autumn. However, due to the amount of manual work involved in the short-day treatment, increasing the number of days is undesirable from a practical point of view. Splitting the SD treatment could be a way to achieve both early height control and at the same time avoid autumn bud break with less workload. We tested how different starting dates and durations of SD treatment influenced on morphological and phenological traits. Regardless of timing and duration of the SD treatment, height growth was reduced compared to the untreated controls. Seedlings given split SD (7+7 days interrupted with two weeks in long days) had less height growth than all other treatments. Root collar diameter growth was significantly less in control seedlings than in seedlings exposed to early (7 or 14 days) or split (7+7 days) SD treatment. There were also differences in the frequency of reflushing and bud break timing among the SD treated seedlings, dependent on duration and starting date. If the SD treatment started early, a continuous 14-day SD treatment was not sufficient to avoid high frequencies of reflushing. However, by splitting the SD treatment into two periods of 7+7 days these negative effects were largely avoided, although spring bud break occurred earlier than in the controls.
Forfattere
Fernanda Canassa Fernanda C. N. Esteca Rafael A. Moral Nicolai Vitt Meyling Ingeborg Klingen Italo DelaliberaSammendrag
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Forfattere
Peter H.W. Biedermann Jörg Müller Jean-Claude Grégoire Axel Gruppe Jonas Hagge Almuth Hammerbacher Richard W. Hofstetter Dineshkumar Kandasamy Miroslav Kolarik Martin Kostovcik Paal Krokene Aurélien Sallé Diana L. Six Tabea Turrini Dan Vanderpool Michael J. Wingfield Claus BässlerSammendrag
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