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Spectral response of winter wheat to crop development and various agronomic limitations
Li; Heli
Source Publication2010 International Conference on Multimedia Technology, ICMT 2010 ; 2010 International Conference on Multimedia Technology, ICMT 2010
2011-04-27
Source Publication2010 International Conference on Multimedia Technology, ICMT 2010 ; 2010 International Conference on Multimedia Technology, ICMT 2010
Conference Date2010-10-29~2010-10-31
Conference PlaceNingbo, China
Funding OrganizationIEEE Nanjing Section GRSS Chapter; Southwest Petroleum University of China; College of Computer and Information of Hohai University
AbstractFor maximizing the effective applications of remote sensing in crop recognition, crop performance assessment and canopy variables estimation at large areas, it is essential to fully understand the spectral response of canopy to crop development and varying growing conditions. In this paper, the spectral properties of winter wheat canopy under different growth stages and different agronomic conditions were investigated at the field level based on reflectance measurements. It was proved that crop growth and development, nitrogen fertilization rates, nutrient deficit (e.g. lacking any kind of nitrogen, phosphorus and kalium fertilizer or lacking all of them), irrigation frequency and plant density had direct influence on canopy reflectance in 400-900 nm which including the visible/near infrared bands, and resulted in great changes of spectral curves. It was suggested that spectral reflectance of crop canopy can well reflect the growth and development of crop and the impacts from various factors, and was feasible to provide vital information for crop monitoring and assessment. ©2010 IEEE.
KeywordAgronomy Nitrogen Fertilizers Phosphorus Reflection Remote Sensing
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/2310
Collection研究生部
Recommended Citation
GB/T 7714
Li,Heli. Spectral response of winter wheat to crop development and various agronomic limitations[C],2011.
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