A protective topsoil layer which is filled with grass to enhance evapotranspiration and protect against erosion must be installed above the low permeability soil barrier cover layer.
(A protective topsoil layer; is filled; with grass; to enhance evapotranspiration and protect against erosion) (A protective topsoil layer which is filled with grass; to enhance; evapotranspiration) (A protective topsoil layer; to protect; against erosion) (A protective topsoil layer which is filled with grass; must be installed; above the low permeability soil barrier cover layer)
A protective topsoil layer A protective topsoil layer which is filled with grass A protective topsoil layer A protective topsoil layer which is filled with grass
is filled to enhance to protect must be installed
with grass to enhance evapotranspiration and protect against erosion
evapotranspiration
against erosion
above the low permeability soil barrier cover layer