From Pakistan to Egypt, under-performance of major irrigation networks has become endemic. But now a Dutch technologist thinks he may be able to help solve the problem using a simple smart phone application.
Is a small footprint really better than a large one? In light of World Day to Combat Desertification, Dennis Wichelns discusses the usefulness (or lack thereof) of using water footprints to mitigate water scarcity issues.
Water productivity - the amount of a crop produced per unit water - is a much used measurement. A quick search for the phrase on Google Scholar yields nearly 18,000 citations. So it is popular, but is it of any use?