LIST OF ILLUSTRATIONS 



A Dry-farm in South Africa, showing two miles of 



96 



Crop Rotation Plots, Experiment Station, Edgeley, 



North Dakota 101 



Fall Wheat, Turkey Red, Forsyth Dry-farm, Mon- 

 tana 109 



A Hay and Grain Derrick 120 



A Dry-farm Home near Newcastle, Wyoming . . 131 



Wheat grown continuously, third crop, yield 4 bushels 



per acre, Forsyth Dry-farm, Montana . . . 138 



Wheat after a Moisture-saving Fallow, yield 25 bush- 

 els per acre, Forsyth Dry-farm, Montana . . 138 



Barley grown continuously, third crop, yield 6 bushels 



per acre, Forsyth Dry-farm, Montana . . . 141 



Barley after a Moisture-saving Fallow, yield 25 bush- 

 els per acre, Forsyth Dry-farm, Montana . . 141 



Tall Oat-grass grown on the Dry-farms of Montana 157 



Dry-farm Squash, Forsyth Experiment Station, Mon- 

 tana 169 



Harvesting on a Wyoming Dry-farm 180 



Two Varieties of Dry-land Wheat, Red Cross and 

 Turkey Red, U. S. Experiment Station, New- 

 castle, Wyoming 190 



X 



