A new technology using sensors on satellites, called Watpro could help to establish standards of water that farmers need to irrigate their crops, and help to optimise the use of water. The technology measures water productivity in agriculture, or the amount of a crop produced by a given volume of water, drawing on remote sensing data and satellite images to measure evaporation and yield.
The results can help to identify where water is used productively and where it is squandered. Reasons for wasted water can be analyzed, allowing farmers, and agricultural policy makers, to establish best practice for irrigation in specific locations, with the aim of cutting down on water use without compromising the harvest.
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