NDLI: Hyperspectral Reflectance Characteristics for corn canopy in different fertilization in irrigated area of Hexi corridor, Northwest China

Content Provider	IEEE Xplore Digital Library
Author	Xiaoping Wang Ni Guo Chuanyan Zhao
Copyright Year	2011
Description	Author affiliation: Institute of Arid Meteorological LAN Zhou CMA, Key Laboratory of Arid Climate Change and Reducing Disaster of Gansu Province, Key Open laboratory of Arid Climate Change and Reducing Disaster of CMA, China (Xiaoping Wang; Ni Guo) \|\| Lanzhou University, China (Chuanyan Zhao)
Abstract	Diagnosis of crop growth and nutrient status is critical for prediction of agriculture yield and quality at Growth stage. one experiments, in 2010 were conducted to find out corn canopy spectral characters in different fertilization nondestructively measurement and for assessing nutrition status non-destructively at Zhangye irrigated area of Hexi corridor northwest China. The results revealed that the spectral differences are clear for the canopy and leaves of corn under different fertilizer levels in near infrared region, and the canopy spectral reflectance are similar in the visible region. In the different growth stage, the hyperspectral reflectance of the canopy level are different, and that of the canopy is highest at heading stage and lowest at seven-leaf stage in near infrared region and in the shortwave and the spectral variation trend is reverse, meanwhile, that is highest at seven-leaf stage. And the reflectance in visible region is not notable in grown stage. Canopy spectral reflectance difference is obviously in infrared and the shortwave region; this indicates the possibility to identify the fertilizer type using the hyperspectral reflectance data.
Starting Page	5896
Ending Page	5899
File Size	490857
Page Count	4
File Format	PDF
ISBN	9781612847719
e-ISBN	9781612847740
DOI	10.1109/ICMT.2011.6002196
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reflectivity Hyperspectral reflectance Fertilization Corn Nitrogen Monitoring Hyperspectral imaging Fertilizers
Content Type	Text
Resource Type	Article

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