Underground layer

Usage examples of subsoil.

Deforestation, overgrazing, plowing, or other stripping of the vegetative cover lessens the possibility that rain will be slowed down and stopped so that it may seep into the soil, subsoil and the underground waterways.

When they are short, as they must needs be in very stiff subsoils and on thin land underlaid with hard soil, the branches become about as large as the tap roots.

Highest in general suitability, probably, are clay loams underlaid with a moderately porous clay subsoil.

How does the Ammophila, hovering over the turf and investigating it far and wide, in its search for a grey grub, contrive to discern the precise point in the depth of the subsoil where the larva is slumbering in immobility?

In New England the soil for cabbages should be ploughed as deep as the subsoil, and the larger drumheads should be planted only on the deepest soil.

Moebius cubes that had transported the ergs, the parked skimmer, the kitchen and laundry annexes next to the tower, part of the old chemistry building on the Endymion campus, several stone dwellings, precisely half of the bridge over the Pinion River, and a few million metric tons of rock and subsoil.

In subsoiling for alfalfa, usually the more deeply the ground can be stirred by the subsoiler, the better will be the results that will follow.

But good crops of alfalfa may be grown on subsoils so retentive that underdrainage is necessary to facilitate the escape of an excess of moisture with sufficient quickness.

Hodson, his hind from Mudbury, into the carriage with him, and they talked about distraining, and selling up, and draining and subsoiling, and a great deal about tenants and farming—much more than I could understand.

In order to prevent the dampness of the subsoil from penetrating the chamber, the walls had been laid in hydraulic cement and were very thick, and the floor was likewise protected.