196 CORN CROPS 



accumulative, and (3) edge drop accumulative. The 

 first type represents the earliest type of dropper plate, 

 when it was attempted to regulate the number of kernels 

 per hill by the size of hole in the dropper plate ; the hole 

 being large enough to take two, three, or four grains 

 at a time. In both the accumulative drop forms, the hole 



Edge Dkop Fiat Dkop 



Fig. 60. — Two types of planter plates for dent corn. The edge drop is 

 considered best where the corn is sorted to uniform size, and flat drop 

 where the seed is not uniform. 



is large enough to take only one kernel at a time, the 

 desired number of kernels being accumulated one at a time 

 in a pocket and then dropped. The latter method is 

 considered more nearly accurate when the seed has been 

 well sorted. Before starting to plant, care sould be 

 taken to see that the dropper-plate holes are of the right 

 size for the seed used. 



