SOILS, MANURES, See. 257 
Urine is found to produce volatile 
alkaline fait in greater proportion, and to 
contain lefs of earthy matter than any 
other animal fubftance. 
It is decompofed by putrefaftion, and 
fhould never be applied to plants, till its 
falts become perfe&ly neutralized by very 
long expofure to the atmofphere. 
\ 
All animal fubftances whatever, are 
excellent manures, when properly ap- 
Sulphur confifts of pure inflammable 
matter,' combined with the vitriolic acid 
and earth; the laft in very frnall propor¬ 
tion : it is poifonous to plants, as are all 
waters impregnated with it. 
Oils confift principally of inflammable 
matter; they are generally found com¬ 
bined with an acid, earth, and water, the 
three laft in very frnall proportion. 
e Or phlogifton. 
L 1 
Oils 
