Not if they free-range their livestock. I used to live in Botswana, right on the border with South Africa, and the border was easy to spot. The South African side, with its managed farms, was always much greener than the Botswana side, where cattle and goats wander around at will.

You can get a sense of this from this satellite picture: https://maps.google.com/maps?q=Mmathubudukwane,+Kgatleng,+Bo...