How synthetic fertilizer reduced the land needed for farming

The same harvest once would have needed almost four times as much land

Nearly 4× As Much Land

With the average crop yields of 1900, producing the amount of food harvested in 2000 would have required almost four times as much land. It would have taken nearly half of Earth's ice-free land instead of less than 15%. Synthetic nitrogen fertilizer was a major reason yields rose.

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How synthetic fertilizer reduced the land needed for farming

The same harvest once would have needed almost four times as much land

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