LABORATORY MAN'UAL IN FIELD CROPS 47 



6. Give a suitable rotation using red clover as the legume 

 crop for your section of the state. 



7. Actual problems on suggestive rotations for near-by farms 

 may be carried out very satisfactorily by taking the class out to 

 study the problem and allowing them to make suggestions. 



REFERENCES 



Farmers' Bulletin No. 339. 



Farmers' Bulletin No. 445. 



Illinois Bulletin No. 134. 



Ohio Bulletin No. 142. 



Livingston's Field Crop Production, pp. 23, 247-250. 



