s7> OF QUICK-LIME

a manure when applied to rich foils,—and, when applied to poor foils, would pro~ duce hardly any,—or even perhaps hurtful effects,

{ will frankly acknowledge, that I my~ felf, was fo far impofed upon by the beauty of this theory, as to. be hurried along with the general current of mankind, in the firm perfuafion of the truth of this obfervation, and for many years did not fufficiently ad- vert to thofe facts that were daily occurring to contradict this theory.—I am now, how- ever, firmly convinced, from repeated obfer- vations, that lime and other calcareous ma- nures, produce a much greater proportional improvement upon poor foils, than on fuch as are richer:—And that lime alone, upon a poor foil, will, in many cafes, produce a

‘much greater and more lafting degree of

fertility, than dung alone.

In direct contradi@ion to the theory, I mult add, that I never yet met with a poor foil in its natural ftate, which was nct bene- fitted in a very great degree by calcareous matters, when adminiftered in proper quan- tities. But I have met with feveral rich foils, that were fully im pregnated with dung, and

therefore