The most common and most likely answer to this crossword clue is the 6 plus 5 letter word MOSHAV OVDIM
M
O
S
H
A
V
O
V
D
I
M
Buddy explains!

The straight part
We know that "Farming association" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case farming association = moshav ovdim.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.