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.
2018
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A small scale ensiling Experiment was carried out in order to examine whether Processing of Whole Crop wheat may have negative implications during fermentation, e.g. elevated losses of starch by hydrolysis and whether Application of additive in order to restrict eh fermentation will moderate or intensify such an effect. It was concluded that kernel Processing prior to ensiling may facilitate starch degradation and have negative impacts on the nutritional value of late harvested Whole Crop wheat silage. Application of acid based additve had no significant impact on starch degradation in this Experiment.
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Aina Lundon RussenesAbstract
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Åshild Taksdal Randby Elisabet Nadeau Linda Karlsson Erik Brodshaug Astrid JohansenAbstract
Total tract apparent digestibility of early dough and hard dough stage of maturity harvested Whole Crop Wheat by Dairy cows was examined in a latin square experimental design. The Whole Crop wheat was ensiled in big bales. The silage was either crushed or not crushed prior to feeding. The starch was completely harvested, regardless of stage of maturity or Processing.
Authors
Åshild Taksdal Randby Elisabet Nadeau Linda Karlsson Erik Brodshaug Astrid JohansenAbstract
Total tract apparent digestibility of early dough and hard dough stage of maturity harvested Whole Crop Wheat by Dairy cows was examined in a latin square experimental design. The Whole Crop wheat was ensiled in big bales. The silage was either crushed or not crushed prior to feeding. The starch was completely harvested, regardless of stage of maturity or Processing.
Abstract
The hydrological processes associated with vegetation and their effect on slope stability are complex and so difficult to quantify, especially because of their transient effects (e.g. changes throughout the vegetation life cycle). Additionally, there is very limited amount of field based research focusing on investigation of coupled hydrological and mechanical influence of vegetation on stream bank behavior, accounting for both seasonal time scale and different vegetation types, and none dedicated to marine clay soils (typically soil type for Norway). In order to fill this gap we established hydrological and mechanical monitoring of selected test plots within a stream bank, covered with different types of vegetation, typical for Norwegian agricultural areas (grass, shrubs and trees). The soil moisture, groundwater level and stream water level were continuously monitored. Additionally, soil porosity and shear strength were measured regularly. Observed hydrological trends and differences between three plots (grass, tree and shrub) were analysed and formed the input base for stream bank stability modeling. We did not find particular differences between the grass and shrub plot but we did observe a significantly lower soil moisture content, lower soil porosity and higher shear strength within the tree plot. All three plots were stable during the monitoring period, however modeling scenarios made it possible to analyse potential differences in stream bank stability under different vegetation cover depending on root reinforcement and slope angle.