There isn't a single, universally accepted term for an "interchange of crops." However, depending on the specific context, you could use one of these terms:
General terms:
* Crop rotation: This is the most common term, referring to the practice of planting different crops in a sequence on the same land.
* Crop diversification: This refers to the practice of growing a variety of crops on a farm or in a region, often to reduce risk and increase sustainability.
* Crop exchange: This emphasizes the act of exchanging crops between parties, potentially for trade or sharing.
More specific terms:
* Intercropping: This refers to growing two or more crops simultaneously on the same land.
* Relay intercropping: This is a specific type of intercropping where one crop is planted after the previous crop has reached a certain stage of growth.
* Crop sharing: This describes an agreement where farmers share crops they have grown, often as part of a barter system.
The best term to use depends on the specific context and what you want to emphasize.