The use of mobile phones in poverty reduction and development has ignited much interest over the past decade. To take advantage of the rapid expansion of mobile phones in developing countries, businesses, government agencies and non-governmental organisations are increasingly turning their...

Increases in water demand due to population growth, industrial development and urbanization necessitate economically efficient use of water resources worldwide. This is particularly true in the dryland zones of the world relying on irrigated agriculture for economic development such as in...