INDEX. 



159 



Phosphates, soluble, 39, 40. 

 Phosphoric acid, absorption by soil, 26, 

 40. 



in animal products, 78. 



in crops, 48, 49. 



in foods, 139, 140. 



in soil, 9, 22, 26, 40. 



lost in rotation, 71. 

 Pigs, albuminoid ratio for, 128. 



ash of food stored up and voided, 



136. 



carcase in live weight, 79. 



composition of, 77, 78. 



composition of increase, 79. 



digestion of food by, 101. 



manure of, 133. 



nitrogen of food stored up and 



voided, 136. 



results of fattening, 124-127. 

 Plant assimilation, 4, 8, 9. 



constituents, 1. 



development, 12, 14. 



excretion, 11. 



respiration, 7. 



transpiration, 8. 

 Potash in animal products, 78. 



in crops, 48, 49. 



in foods, 139, 140. 



in soils, 22. 



lost in rotation, 7 1 . 



manures, 42, 4o, 46, 52, 54, 55, 



59. 

 Potato crop, 49, 55. 



manure, 40. 



Potatos, composition of, 49, 88, 140. 



digestibility, 102. 



feeding value, 107, 109. 



manure value, 140. 

 Ptyalin, 84. 



BAIN-WATER, 17. 

 Eape, 68, 72. 

 Rapecake, 132, 139. 

 Reduced phosphates, 39. 

 Rennet, 150. 

 Respiration of animals, 85. 



of plants, 7. 



Rice meal, 88, 97, 107, 109, 111, 139. 

 Ripeness as affecting composition, 14, 



93. 



Ripening cream, 148. 

 Rocks, disintegration of, 18, 22. 

 Root crops, 49, 54, 68. 

 Roots, functions of, 8. 



union with fungi, 10. 

 Rotation of crops, 63. 



losses during, 70. 



Rotations, economical, 73. 

 Ruminants, digestion by, 97. 

 Rye, 50, 72, 8, 140. 



bran, digestibility of, 10-. 



SAINFOIN, 61, 68. 



Sale of produce, 70, 73, 78. 



Saliva, 84. 



Salt, common, 18, 42. 



effect on digestion, 106. 

 Sand, 18, 20, 21. 



Sap of plants, 4, 7-9, 11, 15. 



Sarcine, 76. 



Sawdust, 134. 



Scotch pine, 49, 55. 



Season, influence of, 14, 59, 93. 



Seaweed as manure, 33. 



Seeds, depth of sowing, 13. 



germination of, 12. 

 Shallow-rooted plants, 68. 

 Sheep, albuminoid ratio for, 128. 



ash of food stored up and 



voided, 136. 



carcase in live weight, 79. 



composition of, 77, 78. 



composition of increase, 79. 



digestion of food, 97, 100, 103. 



excrements of, 138. 



feeding in winter, 113. 



maintenance diet for, 121. 



manure, 133. 



nitrogen of food stored up and 



voided, 136. 



production of wool, 129. 



results of fattening, 124. 

 Shoddy, 37. 



Silage, 95. 



Silica in plants, 3, 11, 12,50, 69. 



Silicates in soil, 18, 22, 27, 29, 50. 



Skim-milk, 148. 



Skin, its functions, 85, 86, 129, 137. 



Soil, absorptive power of, 26. 



burning, 29. 



constituents of, 18. 



movements of salts in, 24. 



origin of, 18. 



oxidation in, 23, 64. 



plant food in, 21. 



relation to heat, 21. 



to water, 20 



virgin, 30. 



weight per acre, 22. 

 Soluble phosphate, 39, 40. 

 Soot, 37. 



Sow's milk, 117. 

 Special manuring, 57. 

 Spruce fir, 49, 55. 



