t 26 ] 



Two-wheeled ploughs are ufed in general, as be- 

 ing mod eafy and expeditious ; but in heavy lands 

 they ule fwing-ploughs, and two horfes always do 

 the work. We (hould fmile at the folly of put* 

 ting four horfes to a plough in any/oil^ becaufe we 

 know it to be unnecefTary, except where the land 

 abounds with (lone. 



I am, &:c. 



[The preceding Letter abounds with much ufeful infor- 

 mation, and the writer feems thoroughly to underftand his 

 fubjea.] 



Article VI. , 



On the Culture of Potatoes, 



[By the Rev. Mr. Higson, Vicar of Bath-Eaflon.] 

 Gentlemen, 



HAVING had many years* experience in cul- 

 tivating Potatoes, I take the liberty offend- 

 ing a few obfervations thereon, which are much* at 

 your fervice. 



Potatoes flouriih moft in a dry fandy loam. 

 The ground fhould be well manured with rotten 

 horfe-dungj and the feed changed every year. 



The 



