What is Produce index unit in agriculture?

The term "produce index unit" is not a standard term used in agriculture. It's possible this term is specific to a particular region, organization, or study.

To understand what you're looking for, I need more information. Could you please provide some context?

For example:

* Where did you encounter this term? (e.g., a research paper, a government website, a farmer's market)

* What was the context surrounding the term? (e.g., were they talking about pricing, yield, or something else?)

With more context, I can better understand what you're asking and provide a more helpful answer.