INDEX 



153 



Soil, fertile, 1 

 Soluble phosphate, 65 



phosphoric acid, 7 



potash, 9 

 Stassfurt salts, 58 

 Steam shovels, 38 

 Stimulant fertilizer, 1 1 

 Sub-soil, 16 



Sulphate of ammonia, 34, 82 

 Sulphur, 17, 20 

 Sunflower, manufacture of 

 manure from, 101 



plant, manufacture of pot- 

 ash from, 123 

 Superphosphate of ammonia, 



82 

 Superphosphates, 61, 62, 67 



Terms in analysis, 5 

 Titanium, 17, 29 

 Total phosphoric acid, 8, 128 

 Trommel, 48 



Volatile matter, determina- 

 tion of, in soils, 141 



W 

 Wad, 29 



Washer, phosphate, 41, 47, 



53 

 Water soluble phosphoric 



acid, 130 



