238 SOIL'S, MANURES, &c. 
of dry weather, becaufe its parts will 
feparate and pafs through it with lefs 
labour than when it is in a wet Hate ; 
after this laft operation, it will make 
rapid progrefs towards a Hate of matu¬ 
rity, and at the end of two years it may 
be ventured on as a fafe and eligible 
manure for every purpofe to which cow 
or neats dung is applicable. 
The cow-dung produced near London 
is more crude and grofs than that of the 
country, occafioned by the difference of 
food on which the animal fubfifts; it of 
courfe requires longer preparation and 
expofure to the atmofphere than the 
latter, but two years and a half will be 
found fufficient for it in its groffeft and 
moil crude ftate. 
Horfe-dung fooner becomes fit for ufe 
than cow-dung ; it fhould be laid thicker 
in the heap, but in other refpefls have 
the 
