THE ROTATION OF CROPS 



desirable to plan the number of fields or 

 tracts that will go in a rotation and try to 

 get these as nearly equal size as possible. 

 Having decided upon the number of years 

 the rotation is to run and having adjusted 

 the fields or tracts accordingly, it is quite 

 possible to modify the proportion of crops 

 by adding one crop and dropping another 

 at the same time. Thus, if there are six 20- 

 acre fields, any one of the following rota- 

 tions might be used and the change from one 

 to another easily made: 



1. Maize Maize Maize Maize Maize 



2. Oats Maize Maize Maize Barley 



3. Wheat Oats Oats Wheat Alfalfa 



4. Clover and Wheat Clover and Clover and Alfalfa 



timothy timothy timothy 



5. Timothy Clover and Timothy Timothy Alfalfa 



timothy 



6. Timothy Timothy Timothy Timothy Alfalfa 



During the first year the 2O-acre field 

 could be divided into four tracts of five 

 acres each, containing potatoes, cabbage, 

 tomatoes and sweet corn, and then followed 

 for four or five years by any succession of 

 crops above outlined. The point is that a 

 definite adjustment of the farm to some gen- 

 107 



