52 
VEGETABLE GARDENING 
more. An analysis shows that the Baltimore night soil 
contains 0.28 per cent phosphoric acid, 0.2 per cent potash 
and 0.43 per cent ammonia and is worth about $1.50 a 
ton. It is secured at a nominal cost, but if the unpleasant 
character of the material is taken into account, gardeners 
should be well paid for accepting and using it. In Phil- 
adelphia County considerable night soil is hauled in bar- 
rels with tight covers to market gardens providing dump- 
ing reservoirs. No charge is made for the material and 
no bonus is paid the gardeners. 
