1 Introduction --; 1.1 Impact of Salinity on the Development of Soil Science --; References to Chapter 1 --; I Soil Salinity under Irrigation --; Processes --; 2 Basic Chemistry of Salinity --; 3 Chemical Reaction and Control of Soil Physical Properties --; 4 Movement and Accumulation of Salts in Soils --; 5 Diagnostic Criteria and Methodology --; II Soil Salinity under Irrigation --; Management --; 6 Irrigation Management and Field Salt Balance --; 7 Reclamation of Sodic Soils --; 8 Management Aspect for Crop Production.