566 OF QUICK-LIME

to correct the defects of thofe foils in which calcareous matters{uperabound, by driving earth upon them as a manure, than is generally imagined, as a very{mall proportion of it fometimes affords a very perfect foil.—I thall illuitrate my meaning by a few examples.

Near Sandfide, in the county of Caith- nefs, there is a pretty extenfive plain on the fea-coaft, endowed with a moft fingu- lar degree of fertility. In all feafons, it produces a moft luxuriant herbage, although it never got any manure fince the crea- tion, and has been for time immemorial fubjeCted to the following courfe of crops:

iff, Bear, after once ploughing from grafs,—ufually a good crop.

2d, Bear after once ploughing,—a better crop than the firft.

3¢, Bear after once ploughing,—a crop equal to the firft.

4th, 5th, and 62h, Natural grafs, as clofe and rich as could be imagined,—might

e cut if the poffeffor fo inclined, and would yield an extraordinary crop of hay each year.

After this, the fame courfe of cropping

is