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作物温度是作物与周围环境进行能量交换的结果,作物温度的变化是有效监测作物生长状态的观测指标,红外热成像技术能够将物体红外热辐射转化为物体表面温度图。综述了影响作物温度变化的因素,包括品种特性、生育时期、不同器官、光照、温度、水分、CO2浓度、湿度、风速、种植密度、施肥等,阐述了作物植株温度监测技术在作物生长状态监测上的应用,总结了红外热成像技术在作物监测领域存在的问题,并对未来进一步研究进行了展望,以期为开展作物温度及作物热红外监测研究提供参考。
Crop temperature is the result of energy exchange between the crop and the surrounding environment. The change of crop temperature is an effective observation indicator to monitor crop growth status. Infrared thermal imaging technology can convert object infrared radiation into object surface temperature map. The factors influencing the temperature change of crop plants were summarized, including variety characteristics, growth period, different organs, light, temperature, water content, CO2 concentration, humidity, wind speed, planting density and fertilization. The crop plant temperature monitoring This paper summarizes the existing problems of infrared thermography in the field of crop monitoring and prospects the further research in the future in order to provide reference for the research on crop temperature and crop thermal infrared monitoring.