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Modelling the mechanism of heat and moisture transfer in soil and air inside the mulch under greenhouse mulch film cover

文献类型： 外文期刊

作者： Luo, Qianliang 1 ; Zhao, Shumei 1 ; Luo, Min 4 ; Dai, Anguo 3 ; Wang, Linyue 1 ; Zhou, Juncai 1 ; Zheng, Liang 1 ; Wang, Pingzhi 1 ;

作者机构： 1.China Agr Univ, Coll Water Resources & Civil Engn, Beijing 100083, Peoples R China

2.Minist Agr & Rural Affairs, Key Lab Agr Engn Struct & Environm, Beijing 100083, Peoples R China

3.Tibet Acad Agr & Anim Husb Sci, Inst Vegetables, Lhasa 850000, Peoples R China

4.Neusoft Inst Guangdong, Sch Comp Sci & Technol, Fosha 528225, Peoples R China

关键词： Greenhouse; Mulch film; Heat transfer; Humidity; Model

期刊名称：RENEWABLE ENERGY （ 影响因子：9.1； 五年影响因子：8.3 ）

ISSN： 0960-1481

年卷期： 2025 年 245 卷

页码：

收录情况： SCI

摘要： The use of mulch cover for greenhouse soil can increase soil temperature, maintain soil moisture, and reduce the consumption of greenhouse energy. Traditional greenhouse heat transfer models primarily focus on bare soil conditions, often overlooking the thermal and moisture dynamics associated with mulching. This oversight leads to models that struggle to accurately quantify the thermal and moisture environment in modern production greenhouses. Therefore, this study constructed a thermal and moisture transfer model suitable for greenhouse mulching. The model was tested using field test data from two areas different regions in China: Beijing and Lhasa, the results showed that the simulated and measured values of the surface temperature of the mulch, the air temperature inside the mulch, the relative humidity inside the mulch and the soil temperature exhibited good agreement. Based on the established model, an analysis of the thermal balance of the mulch and soil surface was conducted, and the variations in soil temperature were explored under different absorption and transmission rates of solar radiation by the mulch. The developed model provides a theoretical basis for the selection, assessment, and management of mulch applications.

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