Large com crops in Iowa, point to general prosperity; but poor com means more or less want and suffering, as it is the crop upon which people depend most for a living. Good farmers have grown 75 bushels of corn per acre frequently in Iowa in ordinary seasons; but generally, the average yield per acrc is not more than half of the number of bushels just named. The causes of the difference between good and poor crops can be traced easily, to differences between the methods of preparing and tilling the soil and differences between varieties of corn. On the 15th day of last May. we planted about 50 varieties of corn on good, well drained ground, which had been assigned to the Iowa Agricultural Experiment Station. It was plowed late last fall and replowed and well harrowed just before planting
Speer, R. P.
"Corn tassels, silks and blades,"
Bulletin (Iowa Agricultural Experiment Station): Vol. 2
, Article 1.
Available at: http://lib.dr.iastate.edu/bulletin/vol2/iss1/1