Soil loss by water erosion is the main cause of soil degradation in Brazil. However. erosion can be reduced by the presence of vegetation. The Normalized Difference Vegetation Index (NDVI) makes it possible to identify the vegetative vigor of crops or natural vegetation which facilities the identification of areas with vegetation covers. https://www.nacrack.com/deal-alert-Dea-Eyewear-Jemma-deal-zone/