Annual Report for 1914 of the Consulting Chemist. 279 



be interesting as showing the difiEerences which may occur in 

 purchased manure : — 



^Moisture . 

 ' Organic matter . 

 Phosphoric acid . 

 Lime .... 

 Oxide of iron and ahimina 

 Alkalies, &c. 

 Insoluble siliceous matter 



A 



•' Best." 



55-00 



22-80 



•45 



2-21 



2-66 



1-51 



15-47 



B 



"Mixture." 



39-20 



8-65 



-31 



1-75 



4-20 



-66 



45-23 



100^00 100^00 



1 Containing nitrogen .... -74 -31 



equal to ammonia .... -90 -38 



" A " was called " Best Manure " and cost- — in Kent — 

 delivered on the farm, 6s. 6rf. per ton. 



"B" was called "Mixed Manure," and was brovight by 

 barge, costing on the same farm 4s. 3rf. a ton. 



" A " was composed mostly of straw and horse-droppings, 

 while " B '■ did not contain much dung, but was mainly 

 sweepings, scavengerings, &c. It will be noted that " A " 

 contained much more organic matter, nitrogen and phosphoric 

 acid, and was much the better value. Sand and earthy matter 

 were also a great deal higher in " B." 



8. Liquid Manure. 



The following analysis will be interesting as showing the 

 composition of liquid manure as taken from a tank on a farm : — 



Grains per gallon. 

 Total solid matters ...... 38696 



consisting of 



Organic and volatile matters . . . 164-36 



Mineral matter ...... 222-60 



including sand and silica . . . 31-64 



Nitrogen ........ 35-60 



equal to Ammonia ..... 43-23 



The nitrogen, stated in percentage of the liquid contents, 

 amounted to -051, equal to ammonia '062 per cent, 



9. Sewage Sludge. 



