x@. 



Whil« not directly applicable to corn, perhaps, some 

 results from German and Scaiidinaviaa sources with 

 aiscellansous crops wixl be helpful as indicating general 

 principles. Prom an abstract in Puhling's Landwlrthsch- 

 aftliche Zftj^tung, XLIV (1895), 355 is derived Table VI t 



Table VI s Showing Effect of Weeds on Crops : 



The number of potatoes where no weeds grew were 

 483 and with weeds were 367. 



The injury in every case is marked being the roost 

 severe with the root crops. The percentage of injury was 

 uniformally greater with the grain and roots than with the 



