Valuation of Climate Performance of a Low-Tech Greenhouse in Costa Rica
Open accessAbstract
The expansion of protected agriculture has technological, climatic, and topographic limitations. The agricultural regions of Costa Rica use the greenhouse concept and adapt it to its conditions. The objective of this work was to describe the variation in temperature and humidity in a greenhouse ventilated passively and on land with a more than 45% slope. To evaluate the environment inside the greenhouse, temperature and humidity variations were measured with a weather station installed outside of the greenhouse to measure the external environment. Inside the greenhouse, 17 sensors were placed to measure the temperature (T) and relative humidity (RH). During data recording inside the greenhouse, tomato crops were in the fruit formation stage, and pepper was less than one week old. Six scenarios were tested to determine the air temperature and humidity dynamic under different climatic conditions. An evaluation of the greenhouse environment was carried out employing an analysis of variance of temperature and RH to establish if there are significant differences in the direction of the slope of the cross-section. The uniformity of temperature and RH do not present stratifications derived from wind currents that can affect the effective production of these crops.
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Since excessive heat or humidity can cause widespread plant damage, controlling and monitoring the environment in a glasshouse is essential.
“Since excessive heat or humidity can cause widespread plant damage, controlling and monitoring the environment in a glasshouse is essential [83,84].”
From Design and Evaluation of a Smart Ex Vitro Acclimatization System for Tissue Culture Plantlets (2022) · cites this paper as [83]
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- Authors
- Rojas-Rishor, A., Flores-Velazquez, J., Villagran, E., & Aguilar-Rodríguez, C. E.
- Affiliations
- Universidad de Costa Rica (CR)
- Posgrado en Hidrociencias, Colegio de Postgraduados Campus Montecillos, Carretera Mexico Texcoco, Km. 36.52, Texcoco 56230, Mexico
- Department of Biological and Environmental Sciences, Faculty of Natural Sciences and Engineering, Universidad Jorge Tadeo Lozano, Bogotá 111321, Colombia
- Tecnológico Nacional de México (MX)
- Corresponding author
- Aguilar-Rodríguez, Cruz Ernesto
- Venue
- Processes
- Publisher
- MDPI AG
- Published
- 2022-04-02
- Volume
- 10
- Issue
- 4
- Pages
- 693
- ISSN
- 2227-9717 (ISSN-L)
- OpenAlex
- W4226225630
- Cited by
- 9
- References
- 33
- Citations by year
- 2025: 2 · 2024: 1 · 2023: 3 · 2022: 3
- FWCI
- 1.24
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Processes (publishedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Universidad de Costa Rica
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Greenhouse Technology and Climate Control
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Climate change impacts on agriculture
- Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Innovations in Aquaponics and Hydroponics Systems
- Keywords
- greenhouse microclimate, passive ventilation, thermal stratification, relative humidity, tomato, pepper, protected cultivation, Costa Rica
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