CONTENTS 



Chapter 10. THE ROTATION OF CROPS 166 



Rotations defined — Purpose of rotations — Maintain good physical condition of 

 soil — Conserve organic matter and nitrogen — Provide for extermination of weeds 

 — Lessen insect depredations — Reduce plant diseases — Improve environment of 

 crops — Rotations insure returns — Prevent reduced crop yields — Rotations 

 systematize farming — Rotations distribute labor — Essentials of a good rotation 

 —Sequence of crops — Length of rotations — What crops to grow — When to apply 

 manure and fertilizers — Some suggested rotations — Methods of planning and 

 recording rotations. 



Chapter 11. CORN (ZEA MAIZE) 177 



Classification of corn — Varieties of corn — The chief corn-growing states — Soil 

 and climatic adaptation — Crop rotation for corn — Plowing for corn — Manures 

 and fertilizers for corn — Time and method of planting — Rate of planting — Depth 

 of planting — Preparation of seed for planting — Cultivation of corn — Methods 

 of harvesting — Storing corn — Shrinkage of corn — Market grades of corn — 

 Composition and feeding value of corn. 



Corn Improvement. 

 Securing seed — Selecting seed — Care of seed — Germination test — Germinating 

 box — Improvement by selection and breeding. 



Chapter 12. WHEAT (WINTER AND SPRING) 197 



Wheat production in the United States — Climatic and soil adaptation — Rotations 

 — Preparation of the seed-bed — Fertilizers for wheat — Time of seeding — Rate 

 of seeding — Grain drills — Winter killing — Wheat districts — District No. 1 — Dis- 

 trict No. 2 — District No. 3 — District No. 4 — District No. 5 — Wheat improvement — 

 Harvesting — Cost of producing wheat — Enemies of wheat: Weeds — Insects — 

 Fungous diseases — Treatment. 



Chapter 13. OATS, BARLEY AND RYE 210 



Oats. 



Soil and climatic adaptation — Classes and varieties — Seed oats and their prepara- 

 tion for seeding — Preparation of the seed-bed — Fertilizers and manures for oats 

 — Time, rate and manner of seeding — Oats as a nurse crop — Harvesting, shock- 

 ing and threshing — Storing and marketing — Composition and feeding value — 

 Value of oats for hay and soiling purposes — Oat straw and its utilization — Cost of 

 producing oats — Oat improvement. 



Barley. 

 Soil and climatic adaptation — Classes and varieties — Preparation of land and 

 seeding — Harvesting and use — Use of by-products. 



Rye. 



Adaptation and culture — Uses of rye. 



Chapter 14. BUCKWHEAT, RICE, FLAX, EMMER, KAFFIR CORN AND 



SUNFLOWER 220 



Buckwheat. 

 Soil and climatic adaptation — Varieties — Preparation of soil and seeding — 

 Fertilizers and rotations — Harvesting and threshing — Uses of buckwheat. 



Rice. 

 Soil and climatic adaptation — Preparation of land and seeding — Flooding or 

 irrigation — Harvesting and threshing — Yields and value. 



Flax. 

 Soil and climatic adaptation — Preparation of land and seeding — Harvesting and 

 threshing — Yield and value of crop — Utilization — Diseases of flax. 



