Meaning of catch crop

catch' crop"

Pronunciation: [key]
  1. a crop that reaches maturity in a relatively short time, often planted as a substitute for a crop that has failed or at a time when the ground would ordinarily lie fallow, as between the plantings of two staple crops.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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