Titlebook: Environmental Remote Sensing and GIS in Iraq; Ayad M. Fadhil Al-Quraishi,Abdelazim M. Negm Book 2020 The Editor(s) (if applicable) and The

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Proximal Soil Sensing Applications in Soil Fertility sets to be used as a calibration and validation set. Vis-NIR reflectance (350–2500?nm) and GIS-Kriging were used in combination with Partial Least Square (PLS) to predict soil available Phosphorus and total N. For total N, only two regions reported higher determination coefficient R. and lower Root

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Using Radar and Optical Data for Soil Salinity Modeling and Mapping in Central Iraq water content (VWC) on the L-band radar backscattering coefficients, a multivariate linear regression (MLR) modeling was applied to establish the combined and radar-based soil salinity models. Results revealed that VWC removal procedure could significantly improve the correlation between the measur