How Is Grass Planted in Mine Reclamation

How is grass planted in mine reclamation?

A) Woven mats that include embedded grass seed are laid over the landscape.
B) Aerial drops of grass seed mixtures are laid over previously mined sites.
C) An aqueous mixture of seed and chemicals are sprayed on the thin soil.
D) It is not planted,rather the land will go through natural senescence.
E) It is not planted; grass will not grow on reclaimed mines.