Using a wireless sensor network to determine climate heterogeneity of a greenhouse environment

J. Balendonck, A. Sapounas, F. Kempkes, E.A. van Os, R. van der Schoor, B.A.J. van Tuijl, L.C.P. Keizer

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademicpeer-review

13 Citations (Scopus)


One of the main targets of a greenhouse control system is to generate a uniform climate environment, which has obvious economic advantages, due to homogenous crop, lesser diseases and the potential energy saving. By using a dense wireless sensor network, the spatial distribution of climate parameters and thus the uniformity of greenhouse environment can be determined. This information can be used by the growers to detect cold and wet spots in greenhouse environment and to adjust their climate control system. In this study, the horizontal climate heterogeneity of the greenhouse environment is analysed. Six experiments were performed in commercial greenhouses observing the micro-climate with 100 wireless sensors under different conditions and for different crops. From the data the spatial and temporal distribution of air temperature T and relative humidity RH was obtained. Instantaneous spatial differences varied up to ±5°C for T and ±20% for RH, depending on location, time of day and season. Significant differences of ±2°C for T and ±12.5% for RH, while averaging data over longer periods (5 days), have been observed. Further research is needed to investigate the way the information regarding the spatial and temporal distribution of climatic parameters can be integrated in the control systems and finally to quantify the energy saving potential.
Original languageEnglish
Title of host publicationInternational Symposium on New Technologies for Environment Control, Energy-Saving and Crop Production in Greenhouse and Plant Factory - Greensys 2013
EditorsJung Eek Son, In bok Lee, Myung Min Oh
Place of PublicationLeuven
ISBN (Print)9789462610248
Publication statusPublished - 2014
EventGreenSys 2013 - Jeju, Korea, Democratic People's Republic of
Duration: 6 Oct 201311 Oct 2013


ConferenceGreenSys 2013
Country/TerritoryKorea, Democratic People's Republic of


  • Air temperature
  • Geostatistical methods
  • Microclimate
  • Relative humidity


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