INDEX 



197 



Percheron, a prize, illustration, 



101. 



Perennials, 87. 

 Pigs, illustration, 93. 

 Phosphoric acid, 27, 39. 

 Plant diseases, 79. 



foods, experimental study of, 

 27. 



foods, kinds of, 18. 



foods, sources of, 25. 



starvation, 26. 



Plants, adapted to school 

 grounds, 171. 



and water, 18. 



classification of, n. 



experimental study of water 

 in, 20. 



germination, n. 



where to secure, 171, 172. 



effect of too much food on, 



26. 

 Potash, 25, 27, 40. 



preparation of, 27. 



source of, 40. 

 Poisons, caution in using, 79, 



80. 



Potato rot, prevention of, 140. 

 Potatoes, best soil for, 139. 



yield of, 139, 140. 

 Poultry, care of, 130, 132. 



foods for, 130-132. 



laying qualities of, 132. 



house, 131. 



raising, profit in, 129. 

 Prize package, illustration, 115. 

 Protein, 100, 101. 



foods and carbohydrates, 102. 



Ration, balanced, 102. 



Root crops, plowing for, 57. 



systems, experimental study 

 of, 73- 



illustration, 72. 

 Sand, 24. 



Scales, use of, 104. 

 School garden, boys', illustra- 

 tion, 169. 



girls', illustration, 174. 



School gardening, development 



of, 173- 

 School ground, illustration, 169. 



School grounds, arrangement 

 of, 174, 175. 



Seeds, experimental study of, 



13, 14- 



Sheep, illustration, 139. 

 Silage, 149, 150. 

 Soda, 23. 

 Soil, effect of stirring, 56. 



effect of commercial fertil- 

 izers on, 41. 



how water rises in, 58. 



lack of plant food in, 38. 



restoration of nitrogen to, 49. 



worn-out, 26. 



Soil tubes, preparation of, 37. 

 Soils, experimental study of, 

 26. 



formation, agencies of, 33. 



how made, 31. 



kinds of, 33. 



treatment of, 33. 

 Spores, destruction of, 80. 

 Stock, advantages of good, 92. 



effect of lack of care on, 91. 



feeding, 90. 



general attention to, 91. 



kind of food needed varies, 



99- 



reasons for feeding, 90, 98. 



shelter of, 91. 

 Stock judging, 188-193. 



beef cattle, 188. 



dairy cattle, 189. 



draft horse, 190. 



mutton sheep, 193. 



swine, 192. 

 Sugar beets, 137-138. 



illustration, 139. 



Tiling, 66. 

 Tillage, 55-60. 



effect of on roots, 55. 



effect of on soil, 56. 



reasons for, 60. 



