292 



INDEX 



Bean, germination of, 7 ; root of the, 

 42 ; as a recuperative crop, 1 38 ; 

 soya, 180 ; as food, 182 



Biennials, food storage, 69 



Bile, 171, 172, 176 



Blood, the circulating medium, 171, 

 173, 202 



Bone meal, 254 



Bones, 254 



Boussingault, carbon balance-sheet, 

 21 ; on leguminous crops, 13s 



Brick earth, 83 



Bulbous plants, 59 



Bullocks, on maintenance diet, 195, 

 197 ; on fattening, 195 ; minimum 

 protein requirements, 203 



Butter, 281 ; fat, 271, 276 



Cakes, oil, 178 



Calf, composition of fat, 207 



Calorie, 186 



Capillarity, 104 



Carbohydrates, in plants, J ; in 

 foods, 169; digestion of, 172; 

 proteins and fats in terms of, 1S3 ; 

 dependence on potash, 261 



Carbon, in plants, 2 ; increased 

 weight of plants largely made 

 of, 20; drawn from the air, 21 ; 

 in humus, 27 



Carbon dioxide, evolved in germina- 

 tion of seeds, 11 ; in air, 22 ; split 

 up by plants, 22 ; exacted by 

 roots, 48, $0 ; dissolved in rain- 

 water, 79; in soil gases, 153; 

 product of combustion in animal 

 body, 172, 173. 174 



Carbonate of lime, dissolved by soil 

 water, 80 ; in soils, 90 ; in sub- 

 soil, 95 ; in heavy soils, beneficial 

 effect of, 98, 167 ; absence in soil 

 inhibits bacterial action, 144, 147 



Carcass weight, 208 



Casein, 269, 272, 28$ 



Castor cake, 260 



Cellulose, in plants, 3 ; fermentation 

 by soil bacteria, 129 ; digestion 

 of, 172 



Cereals, as foods, 182 



Chafif, 64 



Chalk, formations, 97 ; soils, 90, 

 167 



Cheese, 284 ; ripening of, 286 



Chewing of the cud, 172 



Chlorine, in plants. So ; in soils, 94 



Chlorophyll, assimilation, 24 ; iron 

 necessary to formation of, 51 



Churning, 281 



Citric acid as a soil solvent, 154 



Clay, derived from felspar and 

 t^salt, 80 ; obtained in mechanical 

 analysis, 89 ; properties of, 91 ; 

 soils, 97, 106, 108, 166 



Clover, on succeeding crop, effect of 

 growth of, 135 ; manures for, 265 



Colostrum, i77 



Colour of soils, 116 



Combustion in animal body, 173 



Compensation for food -stuffs con- 

 sumed, 243 



Condition of the soil, 147, 239 



Cooking does not increase digesti- 

 biUty, 177 



Conn of colchicum, 60 



Com, place in diet, 194, 200 



Cotton-seed cake, 169, 178, 180, 

 183, 192 



Cotyledons, 7 



Cows, breeds of, 270, 274 



Cream, 281 



Crocus, contractile root of, 44 ; 

 autumn (colchicum), 60 



Crops, water required by, 39; dry- 

 ing action of, 39 ; effect of catdi, 

 40 ; composition of, 57 



Cultivation, 107 



Curd of milk, 272, 284 



Cuticle, 37 



Cuttings, 72 



Cyaoamide, 250 



