Our selves as we know them are, so to speak, only the top soil of our entire natures.
Hence the farmer should never allow his top soil to harden into a crust.
They improve the physical condition of the subsoil as well as the top soil.
The soil under the top soil, has much to do with the health of trees.
Much of the top soil then was placed on blankets or buffalo robes.
This earth at X taken from the top Pg 151 is known as top soil.
It is important to keep the top soil on the top and the subsoil underneath.
The chief trouble with these farms is that the top soil is worked out.
Above the rock could be seen the subsoil, and then the layer of top soil and vegetation.
It hasn't gotten in far yet; only into the top soil, and about the edges, so far.