Farmers in the Texas Panhandle fear that their main aquifer is drying up, so they're testing low-water farming techniques. New sprinkler systems, more spaced-out planting patterns and alternative harvesting techniques could all help, officials say. "We can't wait 10, 15, 20 years for something to come out that might come out in the future. We need to do something now," says Steve Walthour of the eight-county North Plains Groundwater Conservation District.

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