Commonly known as Top Soil.
topsoil
topsoil
the layer the contain the richest material is the top soil :)
No fertile is the richest soil.
The Southern Colonist had the richest soil.
top soil...........
The topsoil is the finest soil layer. Soil 'layers' are called horizons.
What is the third layer of soil
dark soil
dark soil
Ukraine has the richest soil on earth. Statistics estimated that food planted on Ukraine's soil could feed whole Europe !
poo
Bama soil,