180 



OF MANURE. 



6. The following is the most accurate information that I 

 have been able to procure, regarding the price of dung at 

 Edinburgh. 



The usual mode of selling street dung, is by the solid or 

 cubic yard, at 3 s. 6 d. per yard, which is an ordinary cart- 

 load. If at any time a cart-load or two is sold without 

 measuring, (which is considered a favour), four shillings are 

 charged. 



There is a good deal of tanners' exhausted bark used by 

 farmers for compound dunghills, the price of which is ge- 

 nerally sixpence per single-horse cart, though it is some- 

 times charged tenpence. 



It is to be observed, that no certain data can be formed, 

 as to the exact weight of dung per cart, without actual 

 weighing, as the weight depends on many circumstances, 

 such as the state of the dung in regard to putrefaction, its 

 being in a dry state, or more moist, the size of the cart, 

 and the dexterity of the carter in heaping more on, or 

 tramping, or neglecting to do so. 



It is usual to mix all the sorts of town dung into one 

 compost, thirty single cart-loads of which is necessary for a 

 potatoe crop per Scotch acre, in consideration of the fu- 

 ture crops. The value of each cart-load may be estimated 

 at 4s., and consequently the expence of manure is, at the 

 rate of L. 6 per Scotch, or L. 4, 1G s. per English acre, be- 



