LIST OF ILLUSTRATIONS 



PAGE 



1. Land Damaged by Washing 7 



By courtesy of the Indiana Experiment Station. 



2. Plowing by Steam 18 



Plowing by steam has become a popular method on many large 

 farms, especially in the West and North-west. 

 By courtesy of the Rural New Yorker, N. Y. 



3. Crop Failure Due to Lack of Drainage ... 26 



By courtesy of Prof. G. I. Christie, Purdue University. 



4. A Walking Breaking Plow 35 



By courtesy of the Oliver Chilled Plow Works, South Bend, Ind. 



5. A Subsoil Plow 37 



By courtesy of the Oliver Chilled Plow Works, South Bend, Ind. 



6. A Good Job of Plowing 40 



A reversible plow is being used. 



By courtesy of the Indiana Experiment Station. 



7. A Disk Harrow at Work . . . . . . 42 



By courtesy of the American Harrow Co., Detroit, Mich. 



8. The Root System of a Corn Plant .... 46 



One of these large roots cut off in cultivating means much loss of 

 moisture and food to the plant. 

 By courtesy of the Indiana Experiment Station. 



9. A Two-Row Corn Cultivator 47 



By courtesy of The Avery Co., Peoria, III. 



10. Using a Manure Spreader 52 



Spread in this way manure gives best results. 

 By courtesy of the Smith Mfg. Co., 158 E. Harrison Street, Chicago, III. 



11. Result of Using Fertilizers on Wheat ... 56 



By courtesy of the Indiana Experiment Station. 

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