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.
2009
Authors
Rahel C Brändli Anders Bergsli Upal Ghosh Thomas Hartnik Gijs D. Breedveld Gerard CornelissenAbstract
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Authors
Trygve S. Aamlid Oiva Niemelainen Maire Rannikko Olav Noteng Michael Waldner Terje Haugen Sanni Junnila Trond Olav Pettersen Tatsiana EspevigAbstract
This report presents second year results and recommendations based on a two year project evaluating the plant growth regulator Primo MAXX® (trineexapac-ethyl) on Nordic golf courses.
Authors
Tatsiana Espevig Trygve S. Aamlid Arne Tronsmo Bjørn Molteberg Linda Hjeljord Anne Marte Tronsmo Trond Olav Pettersen Frank EngerAbstract
This is a progress report from the second experimental year of the project ‘VELVET GREEN - Winter hardiness and management of velvet bentgrass (Agrostis canina) on putting greens in northern environments’. The report is divided into four main chapters, the first giving results from evaluation of winter hardiness of velvet bentgrass under controlled conditions, the second describing experimental layout and preliminary results from two field trials with fertilizer levels, thatch control methods and topdressing levels; the third describing experimental layout and preliminary results from a lysimeter study on irrigation stategies for velvet bentgrass on greens varying in rootzone composition; and the fourth describing a supplemental experiment evaluating the biological product ‘Thatch-less’ for thatch decomposition.
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Published data of pH and conductivity in some acid humic waters have shown erroneous corresponding values. This means that the values were not consistent with each other according to well-recognized hydrochemistry. A main questions was arised in this connection. Were the measurements correct and if not which of them were wrong, pH, conductivity or both ? Assessment on basis of calculated and measured conductivity values, by using published data and own measurements, indicate primarily erroneous pH measurements. This makes the scientific papers which are based on these remarkable results partly of questionable value. Conductivity should generally act as a controlling parameter even if the latter also could have some uncertainties.
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Authors
Hallvard JensenAbstract
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