Sod
crust
sod
sod
The top layer of soil where grass grows is called Humus. The next layer is the topsoil, and the layer after that is the subsoil.
Soil scientists divide soil into horizons based on depth and soil make up. The O horizon, the very top layer right under the grass, is where the top soil is. This is the soil that is critical to human life.
sod
crust
sod
sod
The top layer of soil where grass grows is called Humus. The next layer is the topsoil, and the layer after that is the subsoil.
Soil scientists divide soil into horizons based on depth and soil make up. The O horizon, the very top layer right under the grass, is where the top soil is. This is the soil that is critical to human life.
the top most layer of soil
Top soil means the top layer of soil
The top layer of soil is the most fertile layer. It is the best for growing crops.
Top soil
Umm... let's see. The top layer is top-soil. The middle layer is sub-soil. The bottom layer is parent rock.... I think you've got the answer...... ;-) you're welcome!
Topsoil.