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A study on the Effect of Air Quality on Orchids Team Measuring the relative humidity of orchid plants

Organization(s):Wichienmatu
Country:Thailand
Student(s):Miss Pattamaporn Prabset , Miss Phitsinee Thongmuaen
Grade Level:Secondary School (grades 9-12, ages 14-18)
GLOBE Member(s):Kwanjai Karnchanasrimek
Contributors:Mrs. Khwanjai Karnchanasrimek , Ms.Naeriya Tonkrongchan , Ms.Chularat Singkaew
Report Type(s):Virtual Science Symposium Report
Protocols:Air Temperature, Relative Humidity
Presentation Poster: View Document
Language(s):English
Date Submitted:2026-01-28
shows the use of a thermometer to measure relative humidity and air temperature that affect orchid growth.
Orchids are important economic ornamental plants widely cultivated in Thailand due to the hot, humid climate and year-round sunlight. Their growth and flowering depend on environmental factors, especially relative humidity, which affects water absorption and development of roots, leaves, and flowers. As epiphytic plants, orchids rely on atmospheric moisture. In Mueang Trang District, imbalance between temperature and humidity may cause water stress or promote disease.


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