INDEX— Continued 



Page 



Cropping Lessens Amount of Humus 32 

 Influence of Different Systems of Farming 



Upon Humus Content of Soil 32 



When Not to Till Deep 33 



Benefits of Deep Tillage 33 



Soil Which Admits of Deep Plowing 34 



Deep Plowing Without Bringing Subsoil to 



the Surface 35 



The Jointer 35 



Subsoil 36 



Different Types of Subsoil Plows 37 



Benefits of Subsoiling 38 



When Not to Use the Subsoil Plow 39 



POTATOES 148 



Soil 148 



Depth to Plow 149 



Depth to Plant 149 



Fertilizers 149 



Cultivation : l''>0 



Seed 151 



How to Cut Seed 151 



Diseases 152 



Planting 152 



Harvesting 1 53 



Storing 153 



POULTRY 294 



Breeds 295 



Feeding 297 



Feed for Laying Hens 299 



The Hen House 301 



Diseases 302 



RAPE 214 



Soil 216 



Time to Sow 216 



Uses 216 



RICE 145 



ROTATION 54 



Value of Rotation 54 



Crops Which Should Not Succeed Each 



Other : . . 54 



Lucerne or Alfalfa 56 



Clover 56 



Lime 58 



Winter-Killing 58 



A Good Rotation 58 



RYE 140 



Digestible Nutrients in Rye Products 140 



SALT 96 



SEED 110 



How to Test 112 



SEED-BED 42 



SEPTIC TANK 306 



SHEEP AND LAMBS— Feeding and Care. . . 289 



Exposure vs. Confinement 291 



Salt 292 



Corn Silage vs. Roots 292 



Alfalfa Hay vs. Prairie Hay 292 



SILO 216 



Food Value of the Corn Plant 218 



When to Fill the Silo 218 



Silo Construction 220 



Capacity of a Silo 222 



Summer Silo 222 



Page 



SOIL 13 



What Is Soil? 13 



Essential Inorganic Elements of 13 



Requirements of Plants in 13 



Productiveness of 13 



How to Improve Physical Condition of . . . . 14 



Formation of 8 



Classification of 9 



Sedentary Soils 9 



Transported Soils 9 



Sand 9 



Clay 12 



Silt 12 



Loam 12 



Weight of Soils 12 



SOYBEANS 196 



Digestible Nutrients and Fertilizer Consti- 

 tuents l9g 



SPELTZ I3g 



Feeding Speltz I39 



SWEET POTATO I54 



SWINE 234 



Types and Breeds 234 



Care and Feed 276 



Care of Pii^s 276 



Feeding Pigs 277 



Various Rations 277-284 



SUDAN GRASS 208 



SUGAR BEETS I56 



Soils and Fertilizers I58 



Seed-Bed 158 



Irrigation 159 



Drainage 1 ,"=9 



Cultivation ; 160 



Rotation 160 



TOBACCO 169 



TRACTOR, The Farm 39 



Types 40 



Uses 40 



"TRACTIVATOR" 41 



VELVET BEANS 200 



Digestible Nutrients and Fertilizing Con- 

 stituents 201 



VETCH 201 



Digestible Nutrients and Fertilizing Con- 

 stituents 202 



WHEAT 126 



Varieties 126 



Germination 128 



Loss in Weight During Germination 128 



Roots 128 



Stooling 128 



Seed-Bed 129 



Rotation 130 



Fertility . 131 



Manures 132 



Seed 133 



Seed Should Be Adapted to' Locality'. '.'.'.'..'. 134 



Insects 134 



Seeding 134 



Roller and Harrow 135 



Digestible Nutrients in Wheat 136 



