= subsoil plough, n. Now chiefly attributive, designating the area of soil loosened by such a plough.
| 单词 | θ53211 |
| 释义 | the world > food and drink > farming > tools and implements > ploughing equipment > [noun] > plough > subsoil plough (4) sub-plough1775 = subsoil plough, n. Now chiefly attributive, designating the area of soil loosened by such a plough. subsoil plough1824 A kind of plough with no mouldboard, used to loosen the soil at some depth below the surface without turning it up. Cf. mole plough, n. subsoiler1838 An instrument for loosening the subsoil; spec. = subsoil plough, n. Michigan plough1859 a (usually double) plough used for subsoil ploughing. Obsolete. |
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