CH. 2.] THE KITCHEN GARDENER. 329 



gravel, pounded brick-bats *, brick-kiln 

 afhes, &c. &c. and, above all, by being 

 carefully laid up in ridges in the Winter 

 months, and indeed at all times when not 

 in crop, in fuch a manner as to give the 

 greateft extent of furface for the weather 

 to act upon : where the foil is a poor fand or 

 gravel, &c. by the addition of clay, or 

 ftrong clayey loam, fcourings of ditches 

 which run through a clayey fub-foil, pond- 

 mud in a like lituation, or fcrapings of 

 roads, which lie in a clayey diftricl, &c. 



Soils that abound with metallic fubftan- 

 ces, and which generally make them ap- 

 pear of an iron colour, are termed foxbent 

 or till. Thefe fubftances are often found 

 to be intimately mixed, or rather confoli- 

 dated with the foil, in considerable mafles, 

 which are adheiive and very ponderous. 

 Such foils are the moft unfavourable to ve- 

 getation of any ; and are quite ineligible 



for 



* I have witneffed the effe&s of pounded brick-bats 

 and brick kiln ames in mixture, which were applied 

 freely, in fertilizing a cold, wet, back- lying, clayey field, 

 in an aftonifhing manner, by a finglc dreffing. This is 

 a proof that clay, after being burnt, is completely 

 changed in nature and effecl:. 



