60 THE PRACTICE OF THE 



" fumed by them ; the foil, in this our cafe, 

 ' cannot be fupplied in fubflance, but from 

 <c the atmolphere" and then he proceeds to 



'fhew, that this fupply is from rain, dews, 

 &c. 



After a thirteen years experience of horle- 

 hoeing wheat, Mr. Tuli concludes ; " the 

 " fame fix fcore acres, that was wheat the lad 

 *' year, is planted with wheat now, and is 

 " all of it as drong, and likely for a good 

 " crop, as in any of the former years ; though 

 " there is but about one acre of it dunged. 

 " The whole is the freed from weeds before 

 " hoeing, that ever was feen, and the fovvn 

 " wheat of the neighbourhood the fulleft 

 *' of them. 



" I can mew at this indant, one of the ex- 

 " periments I have recommended, which 

 * though it be on lefs than two perches of 



** ground ; yet mud convince every man who 

 " has feen it (and doth not renounce the evi- 

 " dence of his reafon and fenfes) that pulve- 

 lt rization by indruments can vadly exceed 

 " the benefit of common manure. 



41 It is to luch experiments, that I leave the 

 " progrefs of my horfe-hoeit-.g Huibandry ; 

 *' afluring the publick, that in all my practice, 

 " which is now thirteen years, 1 liave never 

 " met with one inftaiice, that gives me the 

 ** lead fufpicion of the truth of the prin- 

 Ct ciples I have advanced ; and that, I believe, 

 J* they have nothing to fear from enemies, 



" but 



