CORN 



183 



Time op Planting, April 29th. 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 7th. 1 



1 Courtesy of Ohio Agricultural Experiment Station, Bulletin 2S2, "Corn Experiments." 



