Spectral discrimination of arable from fallow fields as landscape components
2005
Piekarczyk, J. (Adam Mickiewicz University, Poznan (Poland). Inst. of Physical Geography and Environmental Planning), E-mail: [email protected]
The objective of the present study was to characterize the reflectance of fallow fields situated in various soil conditions and of different age and compare them with spectral characteristics of main arable crops: winter rye, spring oat, winter oilseed rape, corn, potatoes and meadow. Field spectral reflectance measurements were made with CIMEL CE313 liminancemeter and five vegetation indices (NDVI, STVI, MSI, MNDVI and GRVI) were developed by combining the reflectance factors in the five wavebands (450, 550, 650, 850 and 1650 nm). Results shoved that among the analysed vegetation indices MSI index (R1650/R850) was found to be the best for discriminating among the fallow fields
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