18 January 2017

Reflectance Measurements in Cotton Fields

Dr. Glen Ritchie of the University of Georgia has used model PS-100 spectroradiometer to take reflectance measurements in cotton fields and estimate defoliation. Chlorophyll gives plant leaves a reflectance spectrum characteristically different from that of soil. Reflectance measurements can be reported in µmol m-2 s-1, W m-2, or as a relative value.

View poster presented at ASA meeting.

Spectroradiometer used for reflectance measurement

Application Summary

Estimating defoliation of cotton using reflectance data.

Sensors Used
PS-100 Spectroradiometer

University of Georgia


Original Article
Ritchie, G.L. and C.W. Bednarz. 2005. Estimating defoliation of two distinct cotton types using reflectance data. J. Cotton Sci. 9:182-188.

Poster from ASA meeting 2006

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