Study on nitrogen stress characterization of rape based on ground multi-spectral imaging sensor

Lei Feng; Yong He; Zeyan Zhu; Min Huang

doi:10.1117/12.667932

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2 February 2006 Study on nitrogen stress characterization of rape based on ground multi-spectral imaging sensor

Lei Feng, Yong He, Zeyan Zhu, Min Huang

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Proceedings Volume 6031, ICO20: Remote Sensing and Infrared Devices and Systems; 60310I (2006) https://doi.org/10.1117/12.667932
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

This paper presents the development of a multi-spectral nitrogen deficiency sensor, which uses three channels (green, red, near-infrared) of crop images to determine nitrogen level of the rape. The core of this investigation is the calibration methods between the multi-spectral references and the nitrogen levels in crops measured using a SPAD 502 chlorophyll meter which may be used to measure N (g)/leaf area (m²). Some noticeable relationships between the multi-spectral reflectance and SPAD readings were found from this study.

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Lei Feng, Yong He, Zeyan Zhu, and Min Huang "Study on nitrogen stress characterization of rape based on ground multi-spectral imaging sensor", Proc. SPIE 6031, ICO20: Remote Sensing and Infrared Devices and Systems, 60310I (2 February 2006); https://doi.org/10.1117/12.667932

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