OF SCOTLAND.

437

ing. It is proper, however, to be cautious in this operation,lest the depth of the scanty soil among the stones should be-come too much reduced, and the land thus exposed beburnt up by the too free access of the sun and air. On lowholms, only such stones, as are so large as materially to ob-struct the husbandry operations, ought to be removed, as thesmallest lowering of the surface of the holm, increases thedanger to be apprehended from floods.

SECT. V.

ROTATION ON FUAT.

This subject is more immediately connected with the chap-ter on waste lands, where it will be discussed. It may besufficient here to remark, that the sooner such soils are laiddown with grass seeds, and the longer they are retained inpasture, until breaking up becomes necessary, the more pro-fitably is the land likely to be occupied.

SECT. VI.

ROTATIONS ACCORDING TO ELEVATION AND CLIMATE.

Having already treated of the rotations proper for differentdescriptions of soil, in situations that are suitable for tillage,as a principal object of the farmer, it may be proper to men-tion, such plans of tillage as are adapted for high situations,“nd humid climates, where improved grass for pasture oughtassuredly to form the great and leading object, combined with