The Wealth of Nations by Part 1 Chapter 11 Page 33

In 1731, they obtained an order of council prohibiting both the planting of new vineyards and the renewal of those old ones, of which the cultivation had been interrupted for two years, without a particular permission from the king, to be granted only in consequence of an information from the intendant of the province, certifying that he had examined the land, and that it was incapable of any other culture. The pretence of this order was the scarcity of corn and pasture, and the superabundance of wine. But had this superabundance been real, it would, without any order of council, have effectually prevented the plantation of new vineyards, by reducing the profits of this species of cultivation below their natural proportion to those of corn and pasture. With regard to the supposed scarcity of corn, occasioned by the multiplication of vineyards, corn is