The Wealth of Nations by Part 1 Chapter 11 Page 32

Had the gain actually made by such plantations been commonly as great as he imagined it might have been, there could have been no dispute about it. The same point is frequently at this day a matter of controversy in the wine countries. Their writers on agriculture, indeed, the lovers and promoters of high cultivation, seem generally disposed to decide with Columella in favour of the vineyard. In France the anxiety of the proprietors of the old vineyards to prevent the planting of any new ones, seems to favour their opinion, and to indicate a consciousness in those who must have the experience that this species of cultivation is at present in that country more profitable than any other. It seems at the same time, however, to indicate another opinion, that this superior profit can last no longer than the laws which at present restrain the free cultivation of the vine.