Liquid Manure. 



15 



The total dry residue left on evaporation of the filtered liquid, 



amounting to 107*59 grains per gallon, had the following per- 

 centage composition: 



Organic matter 23-28 



Containing nitrogen (I 1 30) 



Mineral matter 76'72 



Consisting of : 



Soluble silica 4-75 



Insoluble siliceous matter (a little fine* 

 clay passed through filter) . . . . ) 



Oxide of iron T93 



Lime 7'56 



Magnesia *70 



Potash 11-16 



Soda -42 



Chloride of sodium 36 -48 



Phosphoric acid 1'78 



Sulphuric acid 3*41 



Carbonic acid and loss 7*24 



(35-58) 



20-59 

 (1-49) 

 (1-81) 

 (91-27) 



2-34 



Loss. 



-2-43 



. v : 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 before and after contact with a Sandy, very 

 infertile Soil, from the neighbourhood of Cirencester, and Loss or Gain in 

 Constituents. 



. , ,, , . Before After 



An imperial gallon contains : Filtration. Filtration. 



Water and volatile ammonia com- ) cn QQQ.-M co QOO At 

 pounds } 69 ' 88 69,89241 



Containing: 



Ammonia, as carbonate and hu-"l 

 mate of ammonia .. .. / 



Organic matter 



Containing nitrogen 



Equal to ammonia 



Inorganic matters 



Consisting of : 



Soluble silica 



Insoluble siliceous matter (fine\ 



clay) / 



Oxide of iron .. 2'07 



Lime 11-48 8-03 -3-35 



Magnesia . 2'87 *74 -2'13 



Potash ~ .. 16-92 12'01 -4-91 



Chloride of potassium .. .. 2*74 none 2*74 



Soda -45 



sodium 40-35 39'25 -1-10 



Phosphoric acid 4'83 1-92 -2-91 



Sulphuric acid 3'94 3'67 --27 



Carbonic acid and loss .. .. 5'80 7'90 +2*10 



Gain. 



+42-7 



+4-47 



+2-76 

 +1-39 

 +2-07 



45 



70,000-00 70,000-00 



