leaky crop
n.— «Corn is what scientists call a leaky crop. When it’s fertilized, it cannot absorb one hundred percent of the nutrients we give it.» —“Chesapeake Bay Funds Added To Farm Bill” by Alex DeMetrick WJZ-TV (Baltimore, Maryland) Apr. 30, 2008. (source: Double-Tongued Dictionary)
Further reading
The owner of a Berlin, Maryland, produce stand wants to know: When a customer is buying four ears of corn, should they say I have four corn or I have four ears of corn? Corn is a mass noun that can also be counted as a plural, just as we might say I...
Our conversation about using natural objects such as rocks, driftwood, or antlers, as decoration prompted a Chesapeake Bay, Virginia, beachcomber to suggest that like beachcombing, searching for such items in the woods might be described as...