OUTLINE OF CHAPTER VII. 



ROTATION OF CROPS. 



,4. INFLUENCE OF ROTATION UPON PLANT- 



FOOD. 



I. Preserves Food Supply. 



1. Prevents Exhaustion. 



2. Prevents Loss by Exposure 



II. Increases Food Supply. 



1. Renders Plant- food Available. 



2. J3 rings Up Plant- food from the Subsoil. 



3. Facilitates Fertilizing. 



B. ROTATION AS AFFECTING THE ENEMIES 

 OF PLANTS. 



I. Eradicates Weeds. 

 II. Exterminates Insect Pests. 



C. PROFIT IN ROTATION. 



D. SELECTING THE COURSE IN ROTATION, 

 I. What Can Be Successfully Grown ? 

 II. What Can Be Successfully Used or Sold? 



. BETTER DISTRIBUTION OF LABOR. 



F. SUGGESTED COURSES IN ROTATION. 



G. TABLE OF SOILING CROPS. 



H. CATCH, OR COVER, CROPS. 



/.KEEPING ACCURATE ACCOUNTS. 



EXERCISE 9. 



/.REFERENCES. 



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