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Browsing by Author "Schmidt, Uwe"
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2020-07-10ZeitschriftenartikelCrop Photosynthetic Performance Monitoring Based on a Combined System of Measured and Modelled Chloroplast Electron Transport Rate in Greenhouse Tomato Yu, Wenjuan; Körner, Oliver; Schmidt, UweCombining information of plant physiological processes with climate control systems can improve control accuracy in controlled environments as greenhouses and plant factories. Through that, resource optimization can be ...
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2007-03-20ZeitschriftenartikelE-Learning am Institut für Gartenbauwissenschaften Tietze, Jana; Schmidt, UweInformationsmanagement und der Umgang mit Informations- und Kommunikationstechnologien (IKT) sind das Handwerkszeug einer wissenszentrierten Umwelt. Auch in den Agrar- und Gartenbauwissenschaften sind Medien fester Bestandteil ...
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2022-05-06ZeitschriftenartikelElectrolytic Disinfection of Irrigation Water for Intensive Crop Production in Greenhouses as Demonstrated on Tomatoes (Solanum lycopersicum Mill) Rodriguez Aguilar, Marlon Hans; Schmidt, Uwe; Büttner, Carmen; Bandte, MartinaShortage of water availability and awareness of the need for sustainable resource management have generated a significant increase in the use of recycled water for irrigation and processing of crops and harvest products, ...
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2021-02-26ZeitschriftenartikelIncrease of Yield, Lycopene, and Lutein Content in Tomatoes Grown Under Continuous PAR Spectrum LED Lighting Dannehl, Dennis; Schwend, Thomas; Veit, Daniel; Schmidt, UweLight emitting diodes (LEDs) are an energy efficient alternative to high-pressure sodium (HPS) lighting in tomato cultivation. In the past years, we have learned a lot about the effect of red and blue LEDs on plant growth ...
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2021-08-03ZeitschriftenartikelLED versus HPS Lighting: Effects on Water and Energy Consumption and Yield Quality in Lettuce Greenhouse Production Dannehl, Dennis; Schwend, Thomas; Veit, Daniel; Schmidt, UweHigh-pressure sodium (HPS) lighting is increasingly replaced by LED lighting in lettuce greenhouse cultivation. In contrast to HPS lighting, LEDs do not heat radiation. Therefore, the leaf temperature is significantly lower ...
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2021-12-18ZeitschriftenartikelLight-Mediated Reduction in Photosynthesis in Closed Greenhouses Can Be Compensated for by CO2 Enrichment in Tomato Production Dannehl, Dennis; Kläring, Hans-Peter; Schmidt, UweConcepts of semi-closed greenhouses can be used to save energy, whereas their technical equipment often causes a decrease in the light received by the plants. Nevertheless, higher yields are achieved, which are presumably ...
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2023-07-06ZeitschriftenartikelReplacing Mineral Fertilizer with Nitrified Human Urine in Hydroponic Lettuce (Lactuca sativa L.) Production Mareike, Mauerer; Rocksch, Thorsten; Dannehl, Dennis; Schuch, Ingo; Mewis, Inga; Förster, Nadja; Ulrichs, Christian; Schmidt, UweSource-separated, nitrified, and decontaminated human urine constitutes a promising plant fertilizer that contains a large share of the nitrogen and phosphorus in household wastewater, and other plant nutrients. However, ...
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2010-05-28ZeitschriftenartikelVoice over IP an der Humboldt-Universität Schmidt, UweDie Humboldt-Universität betreibt ein Telefonnetz mit ca. 7500 Endstellen. Davon arbeiten zurzeit etwa 10% mit Voice over IP. Der nachfolgende Beitrag beschreibt die technische Lösung und die schrittweise Umstellung des Netzes.
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2015-09-28KonferenzveröffentlichungWege zu einer höheren Wirksamkeit des Qualitätsmanagements Newton, Jethro; Suwalski, Petra; Lehnguth, Cornelius; Scherer, Caroline; Lommel, Martin; Schulmeyer-Ahl, Kerstin; Seyfried, Markus; Johnen, Caroline; Pfeifer, Rabea; Schmidt, Uwe; Haas, Katharina
