Calculating Soil Adjusted Vegetation Index (SAVI) with Sentinel-2 imagery in QGIS

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Remote sensing of vegetation is a useful tool for many applications in ecology, agriculture and beyond. This short tutorial showing you how to calculate the soil adjusted vegetation index - and alternative to NDVI which aims to better account for the influence of soil reflectance - using freely available Sentinel-2 satellite imagery in QGIS 3.
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What is the range values of SAVI? Are they >1 as indicated in the results?

theomugiraneza