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s from tracts, loudly ſoil is eſame ybeen -com-

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thoſe of Francis Ruſſel, Eſq, and of Doctor Wilkinſon 4, but, in ſome inſtances, the expences, it is ſaid, ex- ceeded the profit, and that good land might have been bought at a cheaper rate. It is doubted, whether the beſt mode of improving waſte lands, was then known, or at Jeaſt univerſally practiſed. It is certain, that unleſs a judicious ſyſtem is purſued, the profit cannot be great. But now, ſo much additional light has been thrown upon the fub- ject, that any perſon, deſirous of improving a waſte, can- not find any difficulty, in procuring information, reſpecting the beſt method of doing it to advantage, according to the nature and quality of the ſoil, and the other circumſtances to be taken into conſideration. Where the ſoil of a new improved common, is inclined to be a ſtiff cold clay, the application and operation of lime, as a manure, is attended with the moſt beneficial and happy effects, and if the ground is thoroughly drained, can be ſafely recommended from experience †. Aſterwacds, every thing depends upon a proper rotation of crops, and laying down the ground to graſs in the higheſt heart and order, without exhauſting it on the firſt outſet by a repetition of impoveriſhing crop⸗ of corn; which, with a view to a too carly reimburſement,

is too often unhappily the caſe. In

* In the Annals of Agriculture, vol. XV. p. 341, vol. XVII. p. 352, and vol. XX. p. 451. Dr. Wilkinſon has given a great deal of curious informa- tion reſpecting Enfield-chace, and made many important obſervations, reſpect- ing the beſt mode of cultivating waſte Jands.

† It is well obſerved by Mr. Selby, in the courſe of ſome excellent obſerva- tions he made on this paper, as originally written, that it is in a great meaſure owing to the high price, and ſcarcity of that moſt invaluable ſtimulus to vegeta- tion,(lime), that large and very conſiderable quantities of land, lie dormant and uncultivated, in manyſparts of this kingdom, particularly inthe northern counties, where there is abundance both of limeſtone and coal, but theſe articles are fre- quently ſo far ſeparated from each other, that it is impoſſible to convey the coal, to burn the limeſtone into lime, but by ſhipping. In this caſe, the duty at

D preſent

For remarks and additional obſervations.