A Common Land Unit (CLU) is the smallest unit of land that has a permanent, contiguous boundary, a common land cover and land management, a common owner and a common producer in agricultural land associated with USDA farm programs.
CLU boundaries are delineated from relatively permanent features such as fence lines, roads, and/or waterways.
[1] This article incorporates public domain material from "What is a Common Land Unit?".
The Farm Service Agency.
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