16 



THE WEED FACTOR IN THE CULTIVATION OF CORN. 





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[Clay soil; planted 3.3 by 



3.3 feet. 

 Gently sloping; planted 

 1 in rows 3.3 feet apart, 

 half that distance be- 

 tween hills. 

 Rather sandy; rolling. 



1 Sandy , gravelly loam; 



Rustler. 

 Level; Silver Kit\g. 

 Spring cold and wet. 



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Md. 

 Michigan experiment sta- 

 tion, East Lansing, Mich.: 

 Plat 1 



CM 





257 



