Research Progress of Obtaining and Utilizing Crop Phenotypic Parameters Based on UAV Remote Sensing
Crop phenotypic parameters refer to crop physiological and biochemical characteristics that are determined or influenced by genetic and environmental factors.Through obtaining crop phenotypic information under different environments and growth periods,the growth status of crops could be known intuitively so that cultivation management strategies could be adjusted in time to ensure high crop productivity.Through carrying different sensors such as RGB camera,spectrum camera and LIDAR,UAV remote sensing has advantages of good flexibility,high efficiency and relatively low cost in acquiring data,which provides an efficient way to obtain crops phenotypic information.At the same time,fast developing image processing and recognition and classification technologies provides effective processing and analysis methods for crop phenotypic parameter in-formation obtained by UAV remote sensing.All these make crop monitoring more convenient and efficient.In this paper,process and methods of obtaining phenotypic parameter information were introduced,and research status of crop phenotypic parameters based on UAV remote sensing such as plant height,canopy coverage,leaf area index,water stress,biomass and yield were summarized,and the application foreground of UAV remote sensing technology in crop phenotypic information analysis was prospected,hoping to provide references for better application of the technology in agricultural production.
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