96 PRODUCTIVE FARMING 



or in fields. This may arouse much valuable discussion. 

 (Figs. 49, 50.) 



Companion Cropping. This is a form of double cropping. 

 What crops may be grown in fields together? Have you seen 



FIG. 60. Corn grown for forage after the spring crop of oats and peas shown in 

 Fig. 49. (Experiment Station, N. J.) 



corn and squashes grown together? All the pupils should 

 think over the crops that may grow together as companion 

 crops. Early onions with late celery are an example in the 

 garden. Early dwarf peas and tomatoes may be grown 

 together. 



REVIEW. 



1. Give examples of special lines of farming in your secti 

 country. 



2. Give several reasons for the rotation of crops. 



3. Why do we want crops of the legume family in a rotation series? 



4. Can you tell how rotation of crops will help to keep down insect 

 enemies and diseases of plants? 



5. Explain why you think the sixth advantage from rotation of 

 crops is a good one. 



6. Name some weeds often found in hayfields or pastures which 

 would not thrive in a cultivated cornfield. 



7. Give one benefit of a bare fallow. 



8. In what condition should soil be kept during a bare fallow period 

 of a few weeks? 



9. Tell the difference between a bare fallow system and a catch 

 crop system. 



