Note 165-4 — Chapter III

Thus, for instance, in harvesting potatoes, if, after they have been ploughed up, only those nearest the surface are collected, a laborer can gather over thirty Prussian scheffels in a day. But the fuller and completer the gathering of potatoes desired is, the smaller will be the product of one workman and of one day's labor. If, therefore, a man wants to gather even the last bushel in a potato field of 100 square rods, so much labor would be required to accomplish it that the workman would not gather enough to feed him during his work, to say nothing of supplying his other wants. Supposing that 100 scheffels of potatoes had grown on 100 square rods, and that of these were harvested—