INDEX 



Acid, humic, 99 

 hydrochloric, 128 

 phosphoric, 5, 7, 8, 63, 83, 



127, 128, 130, 131, 147 

 soluble materials in soils, 



determination of, 141 

 sulphuric, 56, 60, 62, 75 

 Alkalis, determination of, in 



soils, 145 



Aluminum, 17, 23, 61 

 Ammoniated superphos- 

 phate, 78 



Ammonium, 5, 6, 7 

 oxalate, 131 

 sulphate, 56, 78, 79, 84, 87, 



99 



tartrate, 131 

 Analysis of fertilizers, 126 



of soils, 139 

 Apatite, 22 



Artificial manure manufac- 

 ture, 60 



Available phosphoric acid, 8 

 Azotometer, 133 



* 



B 



Barium, 17, 29 



Basic slag, 55 



Birkeland and Eyde process, 

 96 



Blackmore, H. S., a method 

 for producing soluble 

 potash salts from feld- 

 spar, 113 



Bone meal, 55 



Borax, 23 



Boren, 23 



Burnt lime, 11 



Cabbage, 32 



Calcium, 2, 13, 17, 24, 25 



cyanamide, 98 



determination of in soils 

 144 



oxide, 11 

 Caliche, 57, 89 

 Carbon, 17, 19 



dioxide, determination of, 



. in soils, 146 



149 



