26o 



INDEX 



Arnott, 187, 258 



Arsenic in barley, 86, 103 

 in beer, 86 

 in fertilizers, 87 

 in pyrites, 86, 128 

 in sulphate of ammonia, 89 

 in sulphuric acid, 86, 128 

 sheep dips, deterioration of, 243 

 sprays and dips, 243, 248 

 sulphide, 86, 89 



Arsenious acid, 243, 248 



Arsenites for sprays, 243 



Ashby, 223 

 lime, 45 



Ashes, 199 

 on soils, 210 



Asiatic phosphates, 36 



Atmospheric nitrogen, utilization 

 of, 77 



Augean stables, 1 



Australian need for superphosphates, 



229 



phosphates, 28, 36 

 superphosphate trade, 134 

 zinc ores, ]34 



Austrian phosphates, 30 



Available lime, 123 

 plant food, 7, 214 



Avonmouth zinc, 134 



BACKWARD districts, manures for, 



16, 210 

 Bacteria, 80, 200 



use of, 7 

 Bacterial action in soil, 8 



changes in soil, 13 



fixation of nitrogen, 2, 79 



slime, 81 



Badische Anilin Fabrik, 93, 225 

 Bagging manures, cost of, 195 

 Baguley, 21 

 Bald, 214 



Ball mills, 38, 43, 12], 137, 174 

 Balloon for catching dust, 113 

 Banana potash, 76 

 Bare fallow, 199 

 Barium rat poison, 245, 248 



cyanide, 226 



fixation of nitrogen by, 225 



sulphate for cements, 140 

 Bark, sprays for insects on, 246 

 Barker, 248 

 Barley, 86, 103, 199, 201, 203 



acreage of, 1 30 



manures, 18, 217 



phosphates for, 130 

 Barrows, 179, 197 

 Barrs, 159 



Basic copper sulphate, 240, 243 



lining, 63 



slag, 63, 120, 159, 183, 187, 191, 

 204, 206 



slag, amounts needed for crops, 

 131 



slag and potash fertilizers, 209 



slag composition, 122 



slag of low solubility, 125, 227 



slag, use of, 15, 16, 216, 222 



superphosphate, 155 

 Bayliss, 8 

 Bean manure, 220 

 Beans, 199, 205 



acreage of, 130 



phosphate for, 131 

 Beef produced per acre, 235 



production, 202 

 Belgian phosphates, 30 

 Benzine, use of, 73, 76, 108, 111 

 Berry, 21 

 Berthelot, 82 

 Bessemer slag, 63 

 Bibliography, 257 

 Binder, 47 

 Birkeland, 97 

 Black ash, 67 



humus soil, 201 

 Blake crusher, 138 

 Blast furnace, 171 



furnace ammonia, 83 



furnace dust, 61, 184 



furnace potash, 160 

 Bleak climates, manures for, 16, 210 

 Blende, zinc, 128, 134 

 Blending compound fertilizers, 179. 



197 

 Blood and lime manure, 115 



guano, 71 



manures, 114 



Blue sulphate of ammonia, 87 

 Blyth, 248, 257 

 Boiling point of nitrogen, 77 



point of oxygen, 77 



tanks for dissolving salts, 94 

 Bolting in mangolds, 185 

 Bone (Author), 60 

 Bone compound manures, 177 



dust or flour, 173, 185, 187 



gelatine, 74 



grease, 73 



meal, 173 



phosphate, precipitated, 157 



impurities in, 73 

 Bones (Animal), 72, 173, 175 



composition of, 73 



use of, 16, 173, 199 

 Bordeaux mixture, 241, 248 

 , Bottcher, 178 



