| 41. | The bloom is believed to have been triggered by extreme winter cold spells and drought.
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| 42. | But the Heat's cold spell has made him defiant.
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| 43. | Chicago corn and soybean futures also rose as a Midwestern cold spell threatened maturing crops.
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| 44. | A long cold spell in the winter is better.
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| 45. | Winters are mild with frequent frosts and cold spells.
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| 46. | The early cold spell also worsened the supply situation.
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| 47. | The cold spell has been well known to researchers, but its cause was a mystery.
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| 48. | The downside, however, is that they risk being caught short in a prolonged cold spell.
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| 49. | People in the northwestern regions of the country have been hardest hit by the cold spell.
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| 50. | The unusually cold spell has brought much of South Africa to a halt since the weekend.
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