INDEX 



405 



Proteids, amount in plants 224 



chemical properties ..217 



classification. 218 



digestibility of 333 



food value 223 



insoluble 222 



of meat 370 



physical properties- . .216 



of wheat 274 



Proteoses 221 



Protoplasm 243 



Quartz 



103 



Radicals 73 



naming of 74 



Rape 267 



Rational feeding of animals 344-366 

 men.... 374-398 



Rations, balanced 344 



caloric value of 358 



maintenance 344 



standard 345 



Reactions 120-126 



illustrated 121, 122 



impossible 123 



Reagent bottles, handling of 25 



Reduction 48 



Rice 298 



Roots 312, 313 



Rye 298, 302 



grading of 300 



Salts.. 75 



acid 75 



double 75 



naming of 75, 76 



Sand culture 164 



Sanitary conditions and feeding 



" 361 



Saponification 200 



Seeds 235-239 



ash of 235 



and crop growth 257 



nitrogenous compounds of 236 



Sheep, food requirements of . .354 



Silage 269 



Silica 103 



Silicates 105 



Silicic acid 103 



Silicon 103 



compounds, importance 



of 105 



Silo, losses in 270 



Sodium 1 29 



carbonate 131 



chlorid 130 



hydroxid 132 



nitrate 131 



phosphate 132 



in plants 168 



salts 130-133 



Soils 105 



Spontaneous combustion 51 



Starch 181-186 



chemical properties 181 



food value 184 



function 183 



physical properties 182 



in seeds 237 



Stearin 199 



Steel 142 



Steer feeding 348-351 



Stover 268 



Straw : 263 



Strawberries 315 



Sucrose 188 



chemical properties 188 



physical properties 188 



Sugar 187-195 



beets 194 



Sulfates 101 



Sulfids 101 



Sulfur 97 



dioxid 98 



preparation 97 



properties 97 



uses 98 



in plants 170 



Sulfuric acid 99 



