Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Uniformity of air temperature and relative humidity inside and outside the different types of greenhouses
Greenhouse plant production is one of the most intensive parts of the agricultural production. In order to reduce the costs and save the energy, various greenhouse constructions and different coverings are offered to the farmers. One of the biggest problems is in winter production when additional heating and light are needed as well as in summer when intensive cooling is needed. During these period construction and coverings fully show their qualities. The aim of this research was to investigate the temperature and air relative humidity distribution in the different greenhouse constructions in the different production systems in order to see if the choice of the greenhouse construction can improve the production conditions inside the greenhouse enabling the better energy efficiency and lower energy input for heating / cooling. Air temperature and relative humidity were tracked in the open field and in the two types of greenhouses (tunnel and gutter connected type) in the lettuce and tomato production. Results show that temperature pattern and its values during the night and day depend on the greenhouse construction, plant specie that is grown and production season. Gutter connected type of construction showed more uniform production conditions inside the greenhouse. In the winter production conditions temperature oscillations were not significant and were lower compared to the values measured in the tunnel construction type greenhouse.
Uniformity of air temperature and relative humidity inside and outside the different types of greenhouses
Greenhouse plant production is one of the most intensive parts of the agricultural production. In order to reduce the costs and save the energy, various greenhouse constructions and different coverings are offered to the farmers. One of the biggest problems is in winter production when additional heating and light are needed as well as in summer when intensive cooling is needed. During these period construction and coverings fully show their qualities. The aim of this research was to investigate the temperature and air relative humidity distribution in the different greenhouse constructions in the different production systems in order to see if the choice of the greenhouse construction can improve the production conditions inside the greenhouse enabling the better energy efficiency and lower energy input for heating / cooling. Air temperature and relative humidity were tracked in the open field and in the two types of greenhouses (tunnel and gutter connected type) in the lettuce and tomato production. Results show that temperature pattern and its values during the night and day depend on the greenhouse construction, plant specie that is grown and production season. Gutter connected type of construction showed more uniform production conditions inside the greenhouse. In the winter production conditions temperature oscillations were not significant and were lower compared to the values measured in the tunnel construction type greenhouse.
Uniformity of air temperature and relative humidity inside and outside the different types of greenhouses
Dimitrijević, Aleksandra (Autor:in) / Bajkin, Anđelko (Autor:in) / Blažin, Slobodan (Autor:in) / Blažin, Dragan (Autor:in)
01.01.2014
Journal on Processing and Energy in Agriculture (2014) 18(3):107-110 ; ISSN: 1821-4487
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
DDC:
690
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