Study of crop growth parameters using Airborne Imaging Spectrometer data

High-spectral-resolution data of the Airborne Imaging Spectrometer (AIS) de veloped by the Indian Space Research Organisation were analysed to check th eir potential for extraction of information concerning crop growth paramete rs. Reflectance spectra of wheat plots at different growth stages were gene rated to study the position of red edge. The shift of inflection wavelength towards longer wavelength was observed with increase in Leaf Area Index (L AI) and chlorophyll content. For the range of LAI from 0.08 to 3.16 and chl orophyll content from 2 to 39 (gm(-2)), the shift of inflection wavelength was observed in the range of 713-723 nm. A linear relationship was observed between the inflection wavelength and LAI as well as chlorophyll content.