Here is the scenario: Player A is attacking a far away city. What will happen if there is no crop in A's city and A is still dispatching for an attack?
I think if there is no crop in that area, they will not send them at all
"It doesn't matter about the size of the dog in the fight, it matters about the size of the fight in the dog." - - by Winston Churchill, Prime Minister of Great Britian - During Wold War II