CONTENTS 



CHAPTER I. 



The Development of Dry Farming 1 



1. Dry Farming Defined. 2. History of Dry Farming. 

 3. Where Dry Farming Applies. 



CHAPTER II. 



The Climate of Western Canada in its Relation to Crop 



Production 11 



4. Climatic Conditions the Chief Causes of Low Yields. 



5. The Factors of Climate. 6. Importance of Precipi- 

 tation. 7. Amount of Precipitation per Year. 8. 

 Geographic Distribution of Precipitation. 9. Monthly 

 Distribution of Precipitation. 10. The Form in which 

 the Precipitation Occurs. 11. Wide Variations from the 

 Average Precipitation. 12. Evaporation. 13. Dry and 

 Wet Years at Saskatoon. 14. Temperature Necessary 

 for Germination and Growth. 15. The Measure of the 

 Heat Supply. 16. The Temperature Zones of Canada. 

 17. Spring and Fall Frosts in Western Canada, 18. 

 Frost Resistance of Different Crops. 19. The Average 

 Temperature of the Growing Period. 20. The Total 

 Heat Received During the Period of Growth. 21. Wind 

 Velocity. 22. The Chinook Wind. 23. Humidity of the 

 Wind. 24. Wind Direction. 25. Atmospheric Humid- 

 ity. 26. Ix>ng Hours of Sunlight in the Growing Season. 

 - 26a. The Effect of Latitude and Altitude on Tempera- 

 ture. 2b. The Effects of Forests on Climate. 



CHAPTER III. 



The Soil 37 



(liy Roy Hanaen M. S. Professor of Soils, University of 

 Saskatchewan, Saskatoon.). 27. The Role of the Soil. 

 (History and Physical Properties). 28. Origin. 29. 

 Soil Classincation.-^-30. Soil Types. 31. Physical Pro- 

 perties of Soils. 32. Dry-Fanning and Soil Physics. 

 (Soil Fertility or Chemistry). 33. The Food of Plants. 



