Effects of different root zone heating systems on microclimate and crop development in solar greenhouses
Keywords:
solar greenhouse, root zone heating, substrate temperature, air temperature, tomato trough cultivationAbstract
Heating greenhouse is indispensable for plant development particularly in winter when the air temperature is lower. In that sense, root zone heating is more energy-saving than traditional air heating. The current work was devoted to the study of the effect of two root zone heating systems based on carbon crystal electrothermal film and low temperature hot water pipe on the microclimate and tomato yield in solar greenhouse. And their performance was tested in the coldest period of winter in Yongqing County of Hebei Province. The results showed that the use of root zone heating system can improve the average substrate temperature by 6.8°C. This microclimate improvement had a positive impact on the tomato production. The output per square meter has increased by 19% compared to the unheated. It was also noted that the presence of root zone heating leads to a decrease in the development of disease in heated areas. Based on these results, the root zone heating system can be an effective method of improving the environmental temperature of crop plant, which is of great significance for increasing crop yield. Keywords: solar greenhouse, root zone heating, substrate temperature, air temperature, tomato trough cultivation DOI: 10.25165/j.ijabe.20221506.7581 Citation: He F, Tian J, Wang L, Hou Y, Qi F, Zhang Y P, et al. Effects of different root zone heating systems on microclimate and crop development in solar greenhouse. Int J Agric & Biol Eng, 2022; 15(6): 67–72.References
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[25] Zhang B, Fan X, Liu M, Hao W. Experimental study of the burning-cave hot water soil heating system in solar greenhouse. Renewable Energy, 2016; 87: 1113–1120.
[26] He F, Hou Y, Li K, Wei X M, Liu Y Q. An investigation of a root zone heating system for greenhouse seedling and its effects on the micro-environment. Inter J of Agric & Biol Eng, 2020; 13(6): 47–52.
[27] Ding X M, He F, Duan J, Lian Q L, Zhang Q S. Design of low temperature heating system in solar greenhouse using capillary tube mat exchange. Transactions of the CSAE, 2013; 29(19): 178–184. (in Chinese)
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[29] Llorach-Massana P, Pena J, Rieradevall J, Ignacio Montero J. Analysis of the technical, environmental and economic potential of phase change materials (PCM) for root zone heating in Mediterranean greenhouses. Renewable Energy, 2017; 103: 570–581.
[30] Muhammad A, Wang X C, Muhammad Y, Muhammad U, Khurram Y, Yang Z J, et al. Performance evaluation of root zone heating system developed with sustainable materials for application in low temperatures. Sustainability, 2018; 10: 4130. doi: 10.3390/su10114130.
[31] Muhammad A, Zhang Z H, Wang X C, Muhammad Y, Muhammad U, Rana S N, et al. An investigation of a root zone heating system and its effects on the morphology of winter-grown green peppers. Energies, 2019; 12: 933. doi: 10.3390/en12050933.
[2] Sonneveld P J, Swinkels G L A M, Campen J, van Tuijl B A J, Janssen H J J, Bot G P A. Performance results of a solar greenhouse combining electrical and thermal energy production. Biosystems Engineering, 2010; 106(1): 48–57.
[3] Bai Y K, Wang T L, Tong G H, Liu W H. Experimental research on energy saving of solar greenhouse of type northeast of China-Type Liaoshen Solar Greenhouse. Energy Conservation Technology, 2002; 20(2): 3–5. (in Chinese)
[4] Zhang Y, Yang Q C, Fang H. Research on warming effect of water curtain system in Chinese solar greenhouse. Trans of the CSAE, 2012; 28(4): 188–193. (in Chinese)
[5] Du J, Bansal P, Huang B. Simulation model of a greenhouse with a heat-pipe heating system. Applied Energy, 2012; 93: 268–276.
[6] Bargach M N, Dahman A S, Boukallouch M. A heating system using flat plate collectors to improve the inside greenhouse microclimate in Morocco. Renewable Energy, 1999; 18: 367–381.
[7] Ntinas G K, Fragos V P, Nikita-Martzopoulou C. Thermal analysis of a hybrid solar energy saving system inside a greenhouse. Energy Conversion and Management, 2014; 81: 428–439.
[8] Gourdo L, Fatnassi H, Bouharroud R, Ezzaeri K, Bazgaou, Wifaya A, et al. Heating canarian greenhouse with a passive solar water-sleeve system: Effect on microclimate and tomato crop yield. Solar Energy, 2019; 188: 1349–1359.
[9] Kurklu A, Bilgin S, Ozkan B. A study on the solar energy storing rock-bed to heat a polyethylene tunnel type greenhouse. Renewable Energy, 2003; 28(5): 683–697.
[10] Gourdo L, Bazgaou A, Ezzaeri K, Tiskatine R, Wifaya A, Demrati H, et al. Heating of an agricultural greenhouse by a reservoir filled with rocks. Journal of Materials and Environmental Science, 2018; 9 (4): 1193–1199.
[11] Gourdo L, Fatnassi H, Tiskatine R, Wifaya A, Demrati H, Aharoune A, et al. Solar energy storing rock-bed to heat an agricultural greenhouse. Energy, 2019; 169: 206–212.
[12] Li B H, Xu H, Li T L, Wei X D, Wang X X. Application of solar energy soil heating system in greenhouse. Journal of Shengyang Agricultural University, 2009; 40(2): 152–155. (in Chinese)
[13] Yu W, Wang T L, Liu W H, Yu Y. Application research on the heating
effect of solar geothermal heating system on soil temperature in the solar greenhouse. Journal of Shengyang Agricultural University, 2010; 41(2): 190–194.(in Chinese)
[14] Fang H, Yang Q C, Liang H, Wang S. Experiment of temperature rising effect by heat release and storage with shallow water in solar greenhouse. Transactions of the CSAE, 2011; 27(5): 258–263. (in Chinese)
[15] Ozgener L, Ozgener O. Energetic performance test of an underground air tunnel system for greenhouse heating. Energy, 2010; 35: 4079–4085.
[16] Attar I, Naili N, Khalifa N, Hazami M, Farhat A. Parametric and numerical study of a solar system for heating a greenhouse equipped with a buried exchanger. Energy Conversion and Management, 2013; 70: 163–173.
[17] Wang H L, Zou Z R, Chen H W, Zhang Y. Research advances in technologies of phase-change heat storage and its application in greenhouses. Transactions of the CSAE, 2008; 24(6): 304–307. (in Chinese)
[18] Zhou Y, Wang S X, Liu Z H, Ma J P, Wang T. Simulation study on composite phase change thermal insulation walls in solar greenhouse based on ANSYS. Acta Energiae Solaris Sinica, 2020; 41(4): 113–122.(in Chinese)
[19] Fu G H, Yang Q C, Liu W K, Yan W K. Research progress about effects of root zone temperature on physiology and ecology of protected horticulture crops. China Vegetables, 2016; (10): 20–27. (in Chinese)
[20] Chen Y. Plant root zone heating reduces greenhouse energy consumption. Greenhouse Horiticlutre, 2008; 3: 20. (in Chinese)
[21] Zhang H M, Jin H J, Ding X T, Yu J Z. Effects of different heating devices on cucumber seedling and plant growth in winter season. Chinese Cucurbits and Vegetables, 2012; 25(4): 12–15. (in Chinese)
[22] He F, Fu J L, Ding X M, Pan S J, Li Z X, Zhou C J. Design and test of seedbed hating system based on capillary network in solar greenhouse. Journal of China Agricultural University, 2017; 22(2): 123–128. (in Chinese)
[23] Zhao Y L, Yu X C, Li Y S, He C X, Yan Y. Application of electric carbon crystal soil-warming system for tomato production in greenhouse. Transactions of the CSAE, 2013; 29(4): 131–138. (in Chinese)
[24] Li Y S, Zhao Y L, He C X, Yan Y, Yu X C. Application of electric carbon crystal warming board for seedlings culture cucumber in greenhouse in winter. Journal of China Agricultural University, 2014; 19(6): 126–133. (in Chinese)
[25] Zhang B, Fan X, Liu M, Hao W. Experimental study of the burning-cave hot water soil heating system in solar greenhouse. Renewable Energy, 2016; 87: 1113–1120.
[26] He F, Hou Y, Li K, Wei X M, Liu Y Q. An investigation of a root zone heating system for greenhouse seedling and its effects on the micro-environment. Inter J of Agric & Biol Eng, 2020; 13(6): 47–52.
[27] Ding X M, He F, Duan J, Lian Q L, Zhang Q S. Design of low temperature heating system in solar greenhouse using capillary tube mat exchange. Transactions of the CSAE, 2013; 29(19): 178–184. (in Chinese)
[28] Beyza B, Halime P, Yildiz D. Root zone temperature control with thermal energy storage in phase change materials for soilless greenhouse applications. Energy Conversion and Management, 2013; 74: 446–453.
[29] Llorach-Massana P, Pena J, Rieradevall J, Ignacio Montero J. Analysis of the technical, environmental and economic potential of phase change materials (PCM) for root zone heating in Mediterranean greenhouses. Renewable Energy, 2017; 103: 570–581.
[30] Muhammad A, Wang X C, Muhammad Y, Muhammad U, Khurram Y, Yang Z J, et al. Performance evaluation of root zone heating system developed with sustainable materials for application in low temperatures. Sustainability, 2018; 10: 4130. doi: 10.3390/su10114130.
[31] Muhammad A, Zhang Z H, Wang X C, Muhammad Y, Muhammad U, Rana S N, et al. An investigation of a root zone heating system and its effects on the morphology of winter-grown green peppers. Energies, 2019; 12: 933. doi: 10.3390/en12050933.
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Published
2022-12-27
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He, F., Tian, J., Wang, L., Hou, Y., Qi, F., Zhang, Y., … Li, Z. (2022). Effects of different root zone heating systems on microclimate and crop development in solar greenhouses. International Journal of Agricultural and Biological Engineering, 15(6), 67–72. Retrieved from https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/7581
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Animal, Plant and Facility Systems
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