[ 5° ] 



LETTER XXVIII. 



HAVING proceeded thus far in the re- 

 view of arable crops, I fhall next exa- 

 mine the culture of the mod: common of the 

 artificial grades. Oluvtr, which in fome 

 counties makes fo great a figure in the 

 courfes of crops. It is abfolutely necefTary 

 to difcover the value of all crops, before we 

 attempt to reafon on the grand fyilem of po- 

 litical ceconomy, and to know the extent of 

 country that cultivates thole vegetables 

 which are common in fome places, but not 

 general. 



From Woobum to Newport-Pagnel y at 

 Brought on. 



Soil. Very good at 20 s. 

 Product. Never mow it. Feed fheep ; 

 fats an ox in fpring, with a little ray 

 grafs, better than natural grafs. 

 Stamford to Grimjihorpe, By ten. 



Soil. Clay, and gravelly loam, 4/. 

 Culture. Sow it over wheat in the 

 fpring, and harrow in wheat after it. 

 Product. Mow it twice for hay. 

 Coljierwortb to Grantham. 

 Soil. A loamy gravel, 10;. 

 Culture. Mix fome ray grafs with it; 

 fow both on barley and wheat. 



Product, 



