In the fall, they eat a significant portion of the province's sunflower crop.

到了秋天，它们会吃掉该省相当一部分的向日葵。

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Mangoes in Africa, as elsewhere, often fall prey to fruit flies, which destroy about 40% of the continent's crop.

非洲的芒果和世界各地一样经常会变成果蝇的盘中餐。 这些果蝇大概可以毁掉大路上40%的农作物。

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In Argentina, the soyabean crop is forecast to fall almost 20 per cent this year owing to drought and pests, raising pressure on US supplies.

在阿根廷，由于干旱和虫灾，预计今年大豆收成将下降近两成，这加大了美国供应的压力。

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As a result, the government expects U.S. reserves of corn, the nation's biggest crop, to fall to their lowest level in 15 years by early September.

WSJ: Grain Prices Soar as U.S. Slashes Outlook

According to analyses performed by seed companies, in the absence of neonicotinoid seed treatment, crop yields in Europe could fall, with significant negative impacts on the EU economy and jobs.

FORBES: Bee-ing Smart: Regulators Must Distinguish Activists' Bad Dreams From Good Evidence

In October the Guernsey Farmers' Association announced a fall in milk yields due to sustained wind and rain and poor crop harvests.

BBC: Guernsey organic milk production suspended