14^ 
Liquid Manure. 
The total dry residue left on evaporation of the filtered liquid, 
amounting to 107"59 grains per gallon, had the following per- 
centage composition : — 
Or<2:anic matter 23"'28 
Containing nitrogen .. .. (l-*30) 
Mineral matter 76*72 
Consisting of : — 
Soluble silica 4-75 
Insoluble siliceous matter (a little tinei ^.f,- 
clay passed through filter) . . . . J 
Oxide of iron 1"93 
Lime 7"n6 
Magnesia '70 
Potash 1M6 
Soda -42 
Chloride of sodium 36'48 
Phosphoric acid 1'78 
Sxilphuric acid 3'41 
Carbonic acid and loss 7'24 
100-00 
According to these and other details previously mentioned, the 
composition of liquid manure before and after contact with this 
soil, and the loss and gain, is given in the following table : — 
Composition of Liquid Manure hefore and after contact with a Sandy, very 
infertile Soil, from the neighbourhood of Cirencester, and Loss or Gain in 
Constituents. 
, . .11, , . Before After t„,„ 
An imperial gallon contains : — Filtration. Filtration. 
Water and volatile ammonia com- 1 ggg.^^ C9 89''-41 +4''-7 
j)OViricls ,* «• ) ' ' 
Containing: — 
Ammonia, as carbonate and hu-"l C35'58') f'SS'lS') —''•4^ 
mate of ammonia .... / \ / v '■^y " 
Organic matter 20-59 25-06 .. +4-47 
Containing nitrogen .. ..• .. (1-49) (1-40) --09 
Equal to ammonia .. .. .V (I'Sl) (1'70) -'ll 
Inorganic matters .. ..' .. .. (91-27) (82-C3) -8-74 
Consisting of : — 
Soluble silica 2-34 5-10 .. +2-7G 
Insoluble siliceous matter (fine I ^.gg +1-39 
clay) .. J 
Oxide of iron .. 2-07 .. +2-07 
Lime 11-48 8-03 -3-35 
Ma'-nesia 2-87 '74 -2-13 
Potash l()-92 12-01 -4-91 
Chloride of potasshiui .. .. 2'74 none — 2"74 
Soda -45 .. +-45 
sodium 40-35 39-25 -1-10 
Phosphoric acid 4-83 1-92 -2-91 
Suli)huric acid 3-94 3-67 --27 
Carbonic acid and loss .. .. 5*80 7-90 .. +2*10 
70,000-00 70,000-00 
