DEPAKTMENT KEPOllTS. 



165 



richer, but as this affected au equal number of the fertilized and unfertilized 

 plats, it was disregarded. 



The ground was plowed April 23d, at a nearly uniform depth of 7 inches. 

 May 13, liarrowed east and west; May 14, harrowed northeast and southwest, 

 and in place ; May 15, harrowed east and west twice in place, with spring- 

 tooth harrow; May 17, rolled the ground; May 18, marked and planted. The 

 plats were two rods square, containing 4 S(piare rods, and were separated by 

 margins 5 feet in width. The corn was planted four feet apart each way, and 

 there were G-i hills on each plat. Seven kernels of corn were planted in each 

 hill. 



Plats Nos. 1, 3, 5, 7, 9, 11, 13, 15, 17, were dressed with plaster, one-half 

 ounce being put in each hill and covered with the corn. The remaining plata 

 received no dressing. 



The results are given in the following table of the plats : 



NORTH. 



SOUTH. 



Numbers at upper left corner are niimber of plat. 



P. P.— Plaster in hill. 



P.— Top dressed with plaster. 



C— Corn. 



S. — Cornstalks. 



Other numbers, Ks and fractions of a pound. 



