| 释义 |
subsoil plough, n.
A kind of plough with no mould-board, used in ploughed furrows to loosen the soil at some depth below the surface without turning it up.
1831Jas. Smith Thorough Draining (1843) 23 The Sub⁓soil Plough..was designed..for the purpose of opening up the close subsoil of the farm of Deanston. 1834Brit. Husb. I. 465 In this operation, the subsoil plough..would no doubt be found a valuable acquisition. 1859Allen New Amer. Farm Bk. (1884) 104 What is beyond it should be thoroughly broken up by the subsoil plow.
Hence subsoil-plough v. trans., to use a subsoil plough upon; also subsoil-ploughing vbl. n., the use of a subsoil-plough.
1831Jas. Smith Thorough Draining (1843) 19 The charge of subsoil ploughing may be estimated at 24s. to 30s. per statute acre. 1840J. Buel Farmer's Comp. 45 In subsoil ploughing, no portion of the subsoil is brought to the surface, but merely loosened, and pulverized. 1844H. Stephens Bk. Farm I. 659 It is cheaper to subsoil-plough land than to thorough-drain it. 1848Thackeray Bk. Snobs xxxi, I remember the conversations, O..how stupid they were! The subsoil ploughing;..the row about the representation of the county [etc.]. |