Although the internal Superficies may have been drain’d by a preceding Crop, and the next Plowing may move many of the before divided Parts, without new-breaking them; yet such as are new-broken, have, at such Places where they are so broken, a new Superficies, which never was, or did exist before; because we cannot reasonably suppose, that any of those Parts can have in all places (if in any Places) the same Figure and Dimensions twice. For as Matter is divisible _ad infinitum_, the Places or Lines whereat ’tis so divisible, must be, in relation to Number, infinite, that is to say, without Number; and must have at every Division Superficies of Parts of infinite Variety[23] in Figure and Dimensions. [23] Their Variety is such, that ’tis next to impossible, any two Pieces, or Clods, in a Thousand Acres of till’d Ground, should have the same Figure, and equal Dimensions, or that any Piece should exactly tally with any other, except with that from whence it was broken off. And because ’tis morally impossible, the same Figure and Dimensions should happen twice to any one Part, we need not wonder, how the Earth, every time of Tilling, should afford a new internal Superficies (or artificial Pasture); and that the till’d Soil has in it an inexhaustible Fund, which by a sufficient Division (being capable of an infinite one) may be produc’d. Tillage (as well as Dung) is beneficial to all Sorts of Land[24]. Light Land, being naturally hollow, has larger Pores, which are the Cause of its Lightness: This, when it is by any Means sufficiently divided, the Parts being brought nearer together, becomes, for a time, Bulk for Bulk, heavier; _i. e._ The same Quantity will be contain’d in less Room, and so is made to partake of the Nature and Benefits of strong Land, _viz._ to keep out too much Heat and Cold, and the like. [24] ’Tis of late fully prov’d, by the Experience of many Farmers, that two or three additional Plowings will supply the Place of Dung, even in the old Husbandry, if they be perform’d at proper Seasons: and the hiring Price of three Plowings, after Land has been thrice plow’d before, is but Twelve Shillings, whereas a Dunging will cost three Pounds: This was accidentally discovered in my Neighbourhood, by the Practice of a poor Farmer, who, when he had prepared his Land for Barley, and could not procure Seed to sow it, plow’d it on till Wheat Seed-Time, and (by means of such additional Plowing) without Dung, had so good a Crop of Wheat, that it was judg’d to be more than the Inheritance of the Land it grew on. The same Effect follows when they prepare Land for Turneps, since they are come in Fashion, and sow them several Times upon several Plowings, the Fly as often taking them off; they have from such extraordinary Tillage a good Crop of Wheat, instead of the lost Turneps, without the Help of Dung; hence double-plowing is now become frequent in this Country.