In the present work , various remote sensing techniques have been used to investigate soil degradation in Iraq (The Mesopotamian plain) for period (1976 - 2021) using different research and data like satellite image such as (Landsat 1-5 MSS 1976 Landsat 4-5 TM C1 Level-1 1996, 8 2016 sentinel-2 2021 ) Program software (ENVI 5.3 which extract from by TCT EMI NDVI indicators Eras 2015 use subset ...