ILLUSTRATIONS IX 



Plowing Levees for Rice 188 



Everything is Done at One Operation 190 



Where Rolling Does Little Good 192 



The Acme Harrow 194 



A Step in Soil Preparation 195 



Corn Roots 197 



Cultivating the Orchard 198 



The Gentle Art of Cultivation 200 



Catalpa Tree with One Season's Growth 202 



Losing Water from Soil 204 



The Erf Stabling System 207 



Losing Fertility 209 



A Covered Barnyard 211 



Letting the Manure Get Away 216 



A Common Way but Poor Practice 218 



Hauling Manure to the Field 220 



Manure Spreader at Work 221 



Crimson Clover in the South 224 



Cow-peas and Fertilizers and a Poor Soil 227 



A Case where All Three Elements Are Needed 228 



Our Common Fertilizing Materials 230 



Where Acid Phosphate Pays 233 



A Muck Soil that Profitably Uses Potassium 236 



Plant Food in a Bag of Fertilizer 241 



The Bag and the Plant Food in It 243 



Fertilizers Pay Best when Good Plowing Has Been Done . . 247 



The Soil that Tells Its Own Story 251 



Where Alfalfa Prospers Dairying Prospers 256 



Complete Irrigating System with Dairy House and Residence 



Attached 259 



A Balance Wheel in Farming 260 



Two Kinds of Farming 262 



Relative Amounts of Plant Food when a Ton of Each is Sold 263 



Crop Rotation 266 



Corn in Growing Stage 267 



Corn at Harvest Time 268 



Cow-pea Roots 270 



Crop of Corn and Cow-peas the Same Year 272 



Close Rotation of Crops 278 



Crop Rotation and Mixed Farming Go Hand in Hand . . . 277 



Timothy May Go in Rotation 280 



