Plant Tweak Could Let Toxic Soil Feed Millions

Thanks to a genetic breakthrough, a large portion of Earth’s now-inhospitable soil could be used to grow crops — potentially alleviating one of the most pressing problems facing the planet’s rapidly growing population.

Scientists at the University of California, Riverside made plants tolerant of poisonous aluminum by tweaking a single gene. This may allow crops to thrive in the 40 to 50 percent of Earth’s soils currently rendered toxic by the metal.

"Aluminum toxicity is a very limiting factor, especially in developing countries, in South America and Africa and Indonesia," said biochemist Paul Larsen. "It’s not like these areas are devoid of plant life, but they’re not crop plants. Among agriculturally important plants, there aren’t mechanisms for aluminum tolerance."

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Plant Tweak Could Let Toxic Soil Feed Millions

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