The effects of California’s drought could soon hit the state’s food banks, which serve 2 million of its poorest residents.

With less local supply, food prices will spike, increasing as much as 34 percent for a head of lettuce and 18 percent for tomatoes, according to an Arizona State University study released last week. With fewer fields planted, there could be as many as 20,000 unemployed agricultural workers who will need more food handouts, especially in the Central Valley.

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