The Ogallala Aquirer is one of the world's largest underground reservoirs. It stretches across eight states in the United States of America, as shown below. Many farmers in these eight states use water from the Ogallala Aquifer for their livestock and crops. This has caused a dramatic decrease in the water table of the Ogalla
Aquifer. If the aquifer is completely emptied, it could take over 6,000 years to for it to refill naturally with precipitation. Which of these would help farmers decreas
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OGALLALA
wheir impact on the Ogallala aquifer? AQUIFER
A sensor that predicts precipitation on the farm and then waters the crops before and after the precipitation
A tool that measures evaporation and transpiration loss to inform farmers how much water the crops need
An automatic watering tool that gives crops the water they need when the Sun is at its highest point in the sky.