CORN 



TIME OF PLANTING, APRIL 29rH. 1 



production. A series of plats which received nothing save 320 pounds of 

 acid phosphate per acre during each five-year rotation showed an increase 

 in the yield of the several crops valued at $16.52 per acre. The acid 

 phosphate cost $2.24, thus leaving a net gain of $14.28. 



The addition of phosphorus to manure also increased the yield very 

 materially. 



Time and Method of Planting. The time of planting corn varies 

 with the location and character of season. It is never advisable to plant 

 until the soil is sufficiently warm to cause a prompt germination of the 



TIME OF PLANTING, MAY 



Courtesy of Ohio Agricultural Experiment Station, Bulletin 282, "Corn Experiments." 



