','10 



LESSONS IX AGRICULTURE 



the physical properties of the soil are also im- 

 proved 1\ the humus which the clover affords. This is 

 Hit 1 secret of clover-growing on the farm. Crimson 

 clover, cowpeas, soy beans, and vetch will serve the same 

 purpose to the farmer as the red clover, and each farmer 

 must learn which of these legumes are best suited to his 

 locality. 



PIG. 60. LEAVES OF LEGUMES 



Practical Exercises 



1. Observational Studies of the Legumes 



Find in the fields and bring to the school for study 



the following legumes, or as many of them as possible : 



Clovers, cowpeas, vetch, beans, alfalfa, black locust, etc. 



Be sure that you find roots of clover showing the tuber- 



