Note 238 — CHAP. XVII. Of Differences between the Old and the New Husbandry.
Reading edition
Very little of my Land will admit the Plough to go the Depth of Two common Furrows without reaching the Chalk; But deep Land may be easily thus Trench-plowed with great Advantage; and even when there is only the Depth of a single Furrow, that may sometimes be advantageously plowed at twice.