Why have legumes been planted as a cover crop to improve the soil fertility of a field?
A) Legumes aid organic decomposition.
B) The leaves of legumes absorb more nitrogen than other plants.
C) Legumes need about 100 times less nitrogen than other plants.
D) Legumes have carbon-fixing bacteria in their root nodules.
E) Legumes have nitrogen-fixing bacteria in their root nodules.
Correct Answer:
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