258 



THE BOOK OF CORN 



will have the effect of not only eliminating the grubs* 

 but will also diminish the damage to the following 

 crops of corn by increasing the strength of the land, 

 thus helping the corn plant to withstand such loss of 

 roots as it may be subjected to. Generous treatment 

 of the soil by heavy fertilization, thorough cultivation, 

 and the like will diminish loss to corn by enabling 

 plants attacked to throw out new roots. The man- 



Fig 64— Adult Click Beetle 



(After Forbes) 



agement of corn on land containing grubs should also 

 be directed to the protection of the plants from drouth, 

 as dry weather takes a double effect by retarding root 

 growth. 



To prevent the laying of the eggs of the June 

 beetle in the corn field in May and June, it is desir- 

 able that the ground should be kept practically free 

 from weeds at that time, as it is well known that a sur- 

 face growth of vegetation is a strong attraction to 



