PLANTING 



43 



TABLE 3. AVERAGE YIELDS FROM DISTANCE PLOTS IN NORTHERN ILLI- 

 NOIS ON LAND PRODUCING OVER FIFTY BUSHELS PER ACRE, 

 COMPARED WITH THOSE FROM LAND PRODUCING LESS THAN 

 FIFTY BUSHELS 



TWO KERNELS PER HILL 



THREE KERNELS PER HILL 



