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Why did cover crops fall out of favor in the 20th century

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Answer:

Because of technological advancements

User Zoecarver
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Answer:

With the invention of synthetic fertilizers in the mid-20th century, however, the practice fell out of favor. ... By reducing the need for chemical fertilizers, cover crops also lower the danger of nitrogen and phosphorus runoff into nearby waterways.

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User NVentimiglia
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