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.
2015
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Marco Ferretti Tanja GM Sanders Alexa Michel Vicent Calatayud Nathalie Cools Elena Gottardini Matthias Haeni Karin Hansen Nenad Potocic Marcus Schaub Volkmar Timmermann Serina Trotzer Elena VanguelovaAbstract
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Karen A. Alexander Tavis Potts Shirra Freeman Dafna Israel Johan Johansen Demetris Kletou Marte Meland Danilo Pecorino Celine Rebours Marc Shorten Dror AngelAbstract
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Pierre Bouillon Jason Hubert Kjersti Bakkebø Fjellstad Mari Rusanen Ani Zavrl Bogataj Ditte C. Olrik Sándor Bordács Roman Longauer Despina Paitaridou Kadi Kõiv Jarkko Koskela Saša Orlovic Sanna Black-Samuelsson Frank WolterAbstract
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Atle Wehn HegnesAbstract
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Tore SkrøppaAbstract
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Gunnhild SøgaardAbstract
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Divina Gracia P. RodriguezAbstract
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Hanne Kathrine Sjølie Hans Asbjørn K. Sørlie Bjørn Tveite Birger SolbergAbstract
This study compares the responses of two Swedish 5-year predictive stand-level functions with the observed responses in 721 fertilization experiment plots in Norway fertilized with nitrogen (N). All plots are single-species consisting of Norway spruce (Picea abies (L.) H. Karst.) or Scots pine (Pinus sylvestris L.) fertilized with ammonium nitrate (AN) or urea. The correlations between the observed and the two predicted responses were 0.34–0.40 for all plots taken together. One response function performed well on average, but underestimated the response in pine plots and overestimated the response in spruce plots. The second function overpredicted the response on the full dataset, in spruce plots and old forest, but performed well in pine plots. Both functions overestimated the growth response in high-productive plots. Higher N deposition in Norway than in Sweden may count for parts of the deviations. Testing of fertilization functions on new datasets is rare, but important part of the evaluation of functions. As the functions are not well fit for predicting the growth response in spruce and high-productive plots in our sample, new functions that include N deposition are welcome.