Die chronologische Liste zeigt aktuelle Veröffentlichungen aus dem Forschungsbetrieb der Hochschule Weihenstephan-Triesdorf. Zuständig ist das Zentrum für Forschung und Wissenstransfer (ZFW).
Sabine Wittmann,
Eleonora Itri,
Prof. Dr. Heike Susanne Mempel
Berechtigungen: Open Access
Indoor Vertical Farming, Potenzial zur Pflanzlichen Rohstoffproduktion für die Lebensmittel- und Pharmaindustrie (2022) FOOD-Lab Fachmagazin für Qualitätsmanagement, Analytik und Nachhaltigkeit 2022 (4), S. 14-19.
Ivonne Jüttner,
Nicolas Mauser,
Sabine Wittmann,
Eleonora Itri,
Prof. Dr. Heike Susanne Mempel
Development of an indoor farming cultivation process for Rhodiola rosea, using an aeroponic and deep-water irrigation method (2022) 31. International Horticultural Congress (IHC2022); International Symposium on advances in Vertical Farming .
Sabine Wittmann,
Ivonne Jüttner,
Prof. Dr. Heike Susanne Mempel
Pulsed light − optimal ratio between yield and energy reduction (2022)
Sabine Wittmann,
Ivonne Jüttner,
Prof. Dr. Heike Susanne Mempel
Fruit vegetables in indoor farming – potential of chili pepper production (2022) 31. International Horticultural Congress (IHC2022): International Symposium on Advances in Vertical Farming .
Ivonne Jüttner,
B.Sc. Julian Hecht,
Sabine Wittmann,
Prof. Dr. Heike Susanne Mempel
Influence of different light spectra on growth and quality of Rosmarinus officinalis cultivars in a deep- water vertical indoor farming system (2022) 31. International Horticultural Congress (IHC2022): International Symposium on Advances in Vertical Farming .
Sabine Wittmann,
Ivonne Jüttner,
Prof. Dr. Heike Susanne Mempel
Visible-Near-Infrared Scanners enable a noninvasive prediction of quality properties of fruit and vegetable based on previously created models. A combination of NIR scanners andmachine learning methods can lead to economic improvements and reduction of food waste by strategies like "first expired, first out" and dynamic pricing. In order to identify parameterscapable of showing dynamic postharvest development, three horticultural products with different postharvest behavior (e. g. strawberry, table grape and mango) were chosen formorphological and statictical analysis. According to the results, a graduation of spectra in correspondence to the day of measurement was noticeable for strawberry regarding the a-value as well as presumingly mass loss for both mango and table grape. Furthermore, a PLS model for the a-values r2cv = 0.80 was developed for strawberries.
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Sabine Wittmann,
Ivonne Jüttner,
Dr. Petra Liedl,
Prof. Dr. Heike Susanne Mempel
Several lighting strategies in an indoor farm are compared regarding the annual electrical energy consumption. Based on measurements of the energy consumption during one experiment, conducted inside the indoor farm at the HSWT, an energy balancing model was calibrated and subsequently validated by a second experiment. The model was then used to calculate the potential reduction of the annual electrical energy consumption concerning several different lighting strategies. Furthermore, different settings of temperature set points and the impact of an optimized heat transfer coefficient as well as a more efficient performance for heating and cooling are considered. The measured and the modeled energy consumption and the values regained by the model showed a high regression coefficient (R2=0.936). The prediction of the energy consumption during the second experiment was also possible (R2=0.738) with a total difference to the measured consumption of 29.1 kWh. Regarding the given technical settings of the indoor farm, the annual electrical energy consumption can be reduced by up to 16% by an adjustment of the temperature strategy while reaching a similar yield. By assuming an optimized technical setting, the relevance of the lighting strategy increased significantly. Based upon this an annual reduction of the electrical energy consumption of up to 21% seemed conceivable.
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Gerhard Radlmayr
Referent für Wissenstransfer und Forschungskommunikation
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