Investigation of heating and cooling degree-hour values in greenhouses with different color cover materials: the case of lettuce plant

• Autorzy: Atılgan Atılgan , Yücel Ali , Aktaş Hakan , Tunçbilek Funda

Identyfikatory

DOI

10.14597/INFRAECO.2019.3.1.017

• Języki publikacji: EN

Abstrakty

EN

In this study, it is aimed to determine the effect of greenhouse cover material of different color on the number of heating (HDHN) and cooling degree hours (CDHN) and heating (HDH) and cooling degree hours (CDH) of the lettuce plant. For this purpose, the study was carried out in the CtrlG (Control transparent PE greenhouse), RedG (Red PE greenhouse) and BlueG (Blue PE greenhouse). The study was completed in 2018 at ISUBU research and application farm. The temperature values measured in the three greenhouses with the same dimensions were the material of the study. HDH, CDH, HDHNs, and CDHNs were calculated by examining the measured temperature values and suggested temperature values for the lettuce plant. By using these values, it was tried to determine suitable cover material during the growing period of the lettuce plant. It has been concluded that the use of colored covering material is more suitable in terms of energy needs in almost all growing periods of lettuce plants. By comparing the values calculated for RedG and BlueG based on CtrlG, the coefficients of variation were calculated to determine which data series or series were more similar to each other. According to the coefficients of variation, the average values of HDH, CDH, HDHNs and CDHNs of the control greenhouse and other colored covered greenhouses ranged between 1,365 and 14,102%. Based on the CtrlG, BlueG was more homogeneous (1,365-8,364%), whereas RedG was less homogeneous (3,798-14,102%). It can be said that the use of colored covering material in greenhouses for lettuce plants will be more advantageous in terms of energy requirement.

Słowa kluczowe

EN

cover material; degree-hours; greenhouse; heating; cooling

• Wydawca: Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich
• Czasopismo: Infrastruktura i Ekologia Terenów Wiejskich
• Rocznik: 2019
• Tom: nr III/1
• Strony: 235--252
• Opis fizyczny: Bibliogr. 29 poz., tab., wykr.

Twórcy

autor

Atılgan Atılgan

• Isparta University of Applied Science Agricultural Science and Technology Faculty Agricultural Structures and Irr. Department Isparta-Turkey

autor

Yücel Ali

• Osmaniye Korkut Ata University Osmaniye Vocational School, Construction Department Osmaniye, Turkey

autor

Aktaş Hakan

• Isparta University of Applied Science, Faculty of Agriculture, Department of Horticulture – Isparta-Turkey

autor

Tunçbilek Funda

• Isparta University of Applied Science Agricultural Science and Technology Faculty Agricultural Structures and Irr. Department Isparta-Turkey

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