International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences,
Vol XXXV, Part B7. Istanbul 2004
Crop Variables
REFB4 SIZE DENS VIG DIAM PROD COV SLO
R 0.12 0.13 -0.01 0.17 0.22 Q4: 0.10
a 0.31 0.25 0.93 0.15 X 0.40
DECLIV > 15%
R - 0.37 0.38 -0.16 - 0.01 - 0.06 0.61 -0.03
a 0.22 0.19 0.59 0.97 0.85 0.02 0.93
DECLIV <15%
R 0. 0:15 0.05 0 0.30 0 0.09
œ vu 0.23 0.72 0 0.01 0.0004 0.48
COBCAFE > 50%
R 0.13 -0.10 -0.20 0.05 0 0.13
a 0.38 0.49 0.16 0.75 0. 0.35
COBCAFE < 50%
R 0.54 -0.42 -0.21 0.5. 0.43 .61 0.15
a 0.04 0.32 ).002 0.03 0 0.48
Acknowledgements
This research was funded by the CBP&D/Café — Consorcio
Brasileiro de Pesquisa e Desenvolvimento do Café. We also
acknowledge the EMBRAPA CAFE and EPAMIG/CTSM
for the support.
174
Table 2 — Statistic analyses of the spectral response in band 4 (REFB4) and coffee crop variables analyzed (r = linear correlation
coefficient; a = level of significance)
CHARA
KEY WORI
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