The most common and most likely answer to this crossword clue is the 12 letter word AGRICULTURAL
I've seen this crossword clue in The Daily Telegraph
A
G
R
I
C
U
L
T
U
R
A
L
More clues leading to the result AGRICULTURAL
- Laura, girl cut out for farming
- A grand country welcoming current fad for farming
- A Greek accompanying this writer concerned with the arts of the land
- Strange air about good and refined type of worker in the country?
- Like farmed area in a good state showing refinement
- Rag I represented gets refined with regard to farming
Buddy explains!

The straight part
We know that "farming" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case farming = agricultural.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 AGRICULTURAL mean?
AGRICULTURAL noun- A product or commodity from agriculture.
- Of or pertaining to agriculture
- As if played with a scythe