32 - 农作物产量下降

In northern countries, a little increase in temperature can lead to better yields, but in southern countries, it's the contrary: Any degree warmer is a decrease in yields.

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Bees and worms are indispensable to agriculture.

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Studies have shown that yields increase with increased CO2, but that the nutrient content of vegetables is reduced as a result, because trace elements are not more abundant when yields increase.

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Generally forests burn better than wheat fields.

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