The layer of soil on the surface.
1 The surface soil gave no indication of the existence of the channel.
2 Second, soil-water may be lost by direct evaporation from the surface soil .
3 Under a clayish surface soil , there was a stratum of solid chalk.
4 Within the reef, the surface soil was red, and of a sandy nature.
5 The best manure is undoubtedly fresh surface soil from the woods.
6 The Autumn rains saturate the surface soil , which absorbs water like a sponge.
7 They also carry off surface soil and manures washed into them.
8 The surface soil was dry and loose, but reasonably tasty according to Mulch.
9 Why doesn't the plant food accumulate in the surface soil of those barrens?
10 Ordinary surface soil , not too sandy, acts well, if damped and rammed thoroughly.
11 Titanic peat abounds by the Winston Sea, only two feet under the surface soil .
12 The appearance of the surface soil is frequently very deceitful.
13 The ground was barren and rocky, with thin surface soil that exposed underlying rock.
14 The idea of stirring the surface soil in alfalfa fields is by no means new.
15 Then, the hole was extended and the subsurface boring removed without touching the surface soil .
16 Three are filled with sand, seven with subsoil, and the remaining ten with surface soil .
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