176 STATISTICAL SURVEY 



ment, and of late potatoes have been tried, and have 

 fucceeded beyond expectation; for them the ground 

 Jhould be burned juft before the time of fetting, and 

 the afties fpread hot; if a little coarfe litter is added, it 

 is reckoned an advantage, as it keeps the potatoes from 

 being in immediate cootaft with the afties. In the 

 fpring of 1 80 1 I tried a fair experiment on a boggy 

 piece of ground, between dung and afhes on alternate 

 ridges, and could not perceive any difference, the ptoi* 

 duce being equal. Afhes made on the fkirts of bogs 

 are much ufed, both for crops of grain and of grafs ; 

 in both ways they are excellent; the quantity ufed de- 

 pends on the flate of the ground; the effeft vifible for 

 two or three years: when clay is mixed with the fluff 

 to be burned, it increafes the quantity, as welJ as ex- 

 tends the duration. In many parts of this county it is 

 cuftomary to burn the low and deep -parts of the hills, 

 which, from being partly bog and partly clay, ' burn 

 well, and afford much afhes. Clay alone, when burned, 

 which may be done by conftrufting a kiln for the pur- 

 pofe, with flues like a brick-kiln, forms a flrong and 

 lafling manure; the fame quantity u{ed as of dung: 

 when the clay is once properly fet on fire, it will bora 

 any fubftance thrown on it, how wet foever it may be. 

 The difficulty is to get the kiln completely fired at firft; 

 for this purpofe the clay mufl be dry for the firft da) r , 

 and a proper quantity of fuel allowed; on the firft 

 day's management much of the fuccefs depeflds. 



SECT. 



