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.
2007
Authors
Bo Stenberg Trond Maukon Henriksen Sander Bruun Audun Korsæth Lars Stoumann Jensen Tor Arvid Breland Erik Nordkvist Fridrik Palmason Tapio Salo Jon Gudmundsson Martti EsalaAbstract
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Authors
Arild AndersenAbstract
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Authors
Sissel Hansen Marina Azzaroli Bleken Anne-Kristin Løes Espen Govasmark Anne Falk Øgaard Tor Arvid BrelandAbstract
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Authors
Charles A. Francis Andrea Lawseth Alexandra English Paula Hesje A. McCann J. Wagner Wendy Marie Waalen Geir Lieblein Tor Arvid BrelandAbstract
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Authors
Susanne Eich-Greatorex Anne Falk Øgaard Trine A SognAbstract
In parts of the world, Se availability in the soil is so low that Se contents in the crops produced there are well below recommended values. Since the difference between Se essentiality and toxicity is very small, the addition of Se via fertiliser is controversial. Therefore, it is important to utilise the Se added in the best possible way. The objective of the present study was to investigate the influence of soil organic matter on the one hand, and addition of organic material (slurry) on the other hand on plant availability of selenium (Se) in soil. Pot experiments with the Se addition in the form of selenate were conducted with a peat, a loam and a peat/loam mixture at a range of pH values between 5 and 6.8. Se uptake from added Se fertiliser was higher in the soil types with high organic matter content than in the loam at pH 6 and below. The opposite occurred at a soil pH above 6.4, where Se uptake was higher in the loam than in the peat. In a pot experiment using only peat and loam at two pH levels, cattle slurry added together with selenate was found to increase the Se concentration in grain at the higher pH. At the lower pH there was no significant effect of slurry on Se concentration in grain. Application of slurry also increased the residual effect of Se that had been applied to the loam in the preceding growing season. In the peat, no residual effect of Se was found either with or without the addition of slurry.