The most common and most likely answer to this crossword clue is the 7 letter word COUNTRY
I've seen this crossword clue in The Daily Telegraph
C
O
U
N
T
R
Y
More clues leading to the result COUNTRY
Buddy explains!

The straight part
We know that "Land" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case land = country.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 COUNTRY mean?
COUNTRY noun- (chiefly British) An area of land; a district, region.
- A set region of land having particular human occupation or agreed limits, especially inhabited by members of the same race, speakers of the same language etc., or associated with a given person, occupation, species etc.
- The territory of a nation, especially an independent nation state or formerly independent nation; a political entity asserting ultimate authority over a geographical area; a sovereign state.
- (usually preceded by “the”) A rural area, as opposed to a town or city; the countryside.
- The rock through which a vein runs.
- The female genitalia, especially the vagina.
- From or in the countryside or connected with it.
- Of or connected to country music.
- A style of popular music that originated in the folk music of the rural population of the southern and western United States and characterized by string-band instruments and simple melodies.