Remote sensing has been used in support of many agricultural applications such as Soil studies, Land cover and soil mapping, and has some important advantages where decision-makers need detailed information in order to formulate well-designed land use plans.
Salinity has been identified as one of three main barriers to crop production in many parts of the world. In Thailand, for example, studies have revealed that salinity affects soil across some 2.58 million hectares or 17 per cent of the nation's land mass.^1,2