The most common and most likely answer to this crossword clue is the 7 letter word PLOUGHS
I've seen this crossword clue in The Daily Telegraph
P
L
O
U
G
H
S
Buddy explains!
The straight part
We know that "one finds them on a farm" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one finds them on a farm = ploughs.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does PLOUGHS mean?
PLOUGHS noun- The notional area of land able to be farmed in a year by a team of 8 oxen pulling a carruca plow, usually reckoned at 120 acres.
- A device pulled through the ground in order to break it open into furrows for planting.
- The use of a plough; tillage.
- Alternative form of Plough (Synonym of Ursa Major)
- A joiner's plane for making grooves.
- A bookbinder's implement for trimming or shaving off the edges of books.
- To use a plough on to prepare for planting.
- To use a plough.
- To have sex with, penetrate.
- To move with force.
- To furrow; to make furrows, grooves, or ridges in.
- To run through, as in sailing.
- To trim, or shave off the edges of, as a book or paper, with a plough.
- (joinery) To cut a groove in, as in a plank, or the edge of a board; especially, a rectangular groove to receive the end of a shelf or tread, the edge of a panel, a tongue, etc.
- (university slang) To fail (a student).
- Land that has been or is meant to be ploughed