The Wealth of Nations by Part 1 Chapter 11 Page 18

if it was not compensated, part of what was in pasture would be brought back into corn.

This equality, however, between the rent and profit of grass and those of corn; of the land of which the immediate produce is food for cattle, and of that of which the immediate produce is food for men; must be understood to take place only through the greater part of the improved lands of a great country.

In some particular local situations it is quite otherwise, and the rent and profit of grass are much superior to what can be made by corn.

Thus in the neighbourhood of a great town the demand for milk and for forage to horses frequently contribute, together with the high price of butcher’s meat, to raise the value of grass above what may be called its natural