subsoiling

Certain work cannot be done by hand, such as subsoiling and ripping; manpower is a back-up here.

1.1. Survey of local conditions and site reconnaissance 1982

Now he's looking to cut costs by lowering the amount of "subsoiling" he'll do -- basically, running a 14-inch spike through the fields he will soon plant with corn to loosen up compacted soil.

News for Richmond Times-Dispatch 2009

He pronounced avenue — EVENUE, and nothing — NOTHINK, so droll; and he had a Mr. 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.

Vanity Fair 2006

At times and in places, peasants were scratching the dismal surfaces with the sort of plows which Abel must have used, when subsoiling was not yet even a dream; and between the plowmen and their ox-teams it seemed a question as to which should loiter longest in the unfinished furrow.

Familiar Spanish Travels 2004

It requires powerful mechanical plant (tractors of 35-70 hp for subsoiling to a depth of 60 cm).

1.1. Survey of local conditions and site reconnaissance 1982

It is not always possible to use manual labour; this is for example the case with subsoiling or deep ploughing for which it is necessary to use powerful machines.

1.1. Forests 1982

The following productivity data for light stripping and subsoiling were collected in the Philippines.

1.1. Survey of local conditions and site reconnaissance 1982

Instead of subsoiling the soil may also be loosened with a pick axe under the area to be covered with ridges in which trees are to be planted.

1.1. Survey of local conditions and site reconnaissance 1982

For it is known, that after a time any subsoil so treated may be turned up with safety, and consequently there is no risk of loss by delaying this deeper ploughing for a few years; and in regard to the question of expense, it appears that the cost of both draining and subsoiling are generally repayed by the first two or three crops which succeed each improvement.

Blackwood's Edinburgh Magazine — Volume 53, No. 330, April 1843 Various

In fact, subsoiling is useless unless the subsoil has been made thoroughly dry; and it has been found by experience that no good effects are obtained if it be attempted immediately after draining, but that a sufficient time must elapse, in order to permit the escape of the accumulated moisture, which often takes place very slowly.

Elements of Agricultural Chemistry Thomas Anderson