40 



AGRICULTURE 



large or exceptionally small kernels should be rejected, as 

 they will fit neither grade. 



Hand picking the seed. But even after the most care- 

 ful grading by ears, there will still be a surprisingly large 

 number of irregular, broken, diseased, or imperfect ker- 



Root 



Experiments showing results of planting corn at different 

 depths. Diagram of kernel of corn. 



nels. To remove these, the corn should be spread out on a 

 table, a few handfuls at a time, and all the imperfect ker- 

 nels thrown out. Running the seed through a "sorter" 

 saves time in the hand picking. The seed-corn sorter con- 

 sists of a sieve with large oblong meshes. 



Caring for the shelled seed. After the seed has been 

 tested and graded it must be given good care to prevent 



