Salt-Tolerant Bacteria Are Bringing Dying Farmland Back to Life
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Roughly a fifth of the world’s irrigated farmland is poisoned by its own water supply. Salt accumulates in the soil as water evaporates, year by year, until the ground becomes inhospitable to almost everything farmers want to grow. It’s a slow disaster, mostly invisible from a distance, and it’s getting worse. But in the arid northwest of China, researchers spent two growing seasons testing a possible remedy, one that hijacks an existing piece of farm infrastructure to deliver
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