CONTENTS ix 



CHAPTER XVI 



ORIGIN AND DESCRIPTION OF WHEAT TYPES 109 



Origin Related Wild Forms Classification Bread Wheats 

 Hard and Soft Wheat Wheat Regions The Durum Wheat Group 

 Drought Resistance Durum Wheat Types The Spelt Wheat Group 

 How Varieties Originate Varieties by Selection Natural Occur- 

 rence of New Types Examples of Successful Selection Crossing 

 Wheats Winter and Spring Varieties. 



CHAPTER XVII 



WHEAT CULTURE 123 



Soils for Wheat Soil Types Compared Early Plowing for Winter 

 Wheat The Compact Seed-bed Deep or Shallow Plowing Un- 

 certainty of Rules Fertilizers for Wheat Minerals Used in Early 

 Growth Time of Sowing Winter Wheat Time of Sowing Spring 

 Wheat Rate of Sowing Wheat Broadcast Sowing vs. Drilling 

 Winter-killing Seed Wheat Changing Seed Home-grown Seed at 

 Ontario Cultivation of Wheat Pasturing Wheat Summer Fallow 

 for Wheat The Listing Method. 



CHAPTER XVIII 



HARVESTING, MARKETING, AND UTILIZING WHEAT 132 



Harvesting Shocking Threshing from Shock or Stack Cost of 

 Producing Wheat Shrinkage in Storage Market Grades. 



CHAPTER XIX 



DISEASES AND INSECT ENEMIES : 137 



Rust Smut Infection Treatment of Seed Scab Insect Ene- 

 mies Hessian Fly Chinch Bugs The Plant Louse The Wheat 

 Midge. 



CHAPTER XX 



OATS 141 



Production of Oats Oats in the United States Early History 

 Classification of Oats Color of Grain Distribution of Groups 

 Spring and Winter Oats Early and Late Oats Hulless Oats 

 Description of Oat Plant Tillering or Stooling Description of Oat 

 Spikelet The Oat Grain Factors Affecting Percentage of Hull 

 Value of Hull and Kernel Estimating Value of Oat Grain Weight 

 per Bushel Clipped Oats Quality of Oat Straw Proportion of 

 Grain to Straw. 



CHAPTER XXI 



CULTURE OF OATS 157 



Climatic Requirements Importance of Water Soils Adapted to 

 Oats Fertilizer and Manure for Oats Kind of Fertilizer Prepara- 

 tion of Seed-bed Preparing Seed Oats Treating Oats for Smut 

 Formalin Treatment Time of Seeding Oats Rate of Seeding . 

 Method of Sowing Depth of Sowing Oats as a Nurse Crop Sow- 

 ing Oats in Mixtures Cultivation of Oats Spraying for Weeds. 



CHAPTER XXII 



HARVESTING AND UTILIZING THE OAT CROP 167 



Time of Cutting Methods of Harvesting Shocking Oats Thresh- 

 ing Oats Storing Oats in Barns or Stacks Diseases and Insects 

 Affecting Oats Oat Smut and Rust Spikelet Blight Blade Blight 

 Utilizing the Oat Crop Preparing for Market Market Grades. 



