A MANURE.

§ 41. A-P:- HO"Re ES ae LY.

Calcareous matters act as powerfully upon land that is naturally poor, as upon land that is more richly im-

| pregnated with thofe fubftances which tend to produce a 4 : luxuriant vegetation, i . Writers on agriculture have been long .‘ in the cuftom of ee manures into| . two claffes, viz. enriching manures,’ or; . ee, thofe that tended directly to<a the foil . more prolific, however fteril it may be,— : among the foremoft of which was reckoned q: dung,—and exciting manures, or thofe that e were fuppofed to have a tendency to render \ the foil more prolific, merely by acting |: upon thofe enriching manures that had been formerly in the foil, and giving thema 1eW :{timulus, fo as to enable them to operate a-new upon that foil which they had for- ‘ i merly fertilized. In which clafs of ftimu- i Jating manures, me was always allowed to i| hold the foremoft rank. 3 : 4 In confequence of this theory, it would : follow, that lime could only be of ufe as

3 manure