New design cuts costs, energy needs for drip irrigation, bringing the systems within reach for more farmers

Many farms in drought-prone regions of the U.S. rely on drip irrigation as a water-saving method to grow crops. These systems pump water through long thin tubes that stretch across farm fields. Hundreds of dime-sized drippers along the length of each tube trickle water directly onto a plant's base. A farmer can control the timing and amount of watering, delivering only as much water as a crop requires.

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