CULTIVATION OF CORN 



271 



Carefully remove a few stalks of corn roots and 

 all and take them to the schoolroom to study as follows : 



Carefully wash the soil from the young roots, and 

 spread them out upon a sheet of paper. Get a root 



FIG. 83. OHIO CORN FIELD IN SHOCK 



from the mature plants and have it before you for 

 comparison. 



Note the following points of the corn root, and tabu- 

 late your answer below : 



1. Length and number of principal roots. 



2. Amount of branching from any one root. 



3. Direction in which the roots extend from the base 

 of the plant. 



4. Amount of cubical space used as feeding ground. 



5. How near the surface do the rdots lie ? 



