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Crop redundancy

is the practice of growing back-up crops which will only be used in event of the failure of a more valued crop, and which will otherwise be returned to the land to recycle the nutrients or left as forage for wildlife.


Systems which promote redundancy

Polycultures

Polycultures are often able to build in crop redundancy without sacrificing much extra land by growing a back-up crop which co-exists spatially with the primary crop.

Agroforestry (Forest gardening)

Agroforestry promotes the cultivation of back-up crops and also of trap crops, which can also be used in case of a primary crop failure.



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