About a third of the world's rice paddies have salt problems, and yields in such briny fields may be half what they would be if the water in them were fresh.

全球三分之一的稻田都受到盐的影响，此类稻田的收成仅为正常稻田的一半。

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About a third of the world's rice paddies have salt problems, and yields in such briny fields may be half what they would be if the water in them were fresh.

ECONOMIST: Salt-tolerant rice