HOW TO DETECT OUTBREAKS OF INSECTS AND SAVE GRAIN. 



(2) Pay great attention to the jji-eparation of the seed bed for the 

 wheat by plowing early and working and packing the soil thoroughly 

 in order to eliminate lumps and clods, thus producing a finely pul- 

 verized, compact, and moisture-conserving bed for the seed. 



(3) Destroy all volunteer wheat by plowing or disking, as such 

 wheat serves to carry the flies over from fall to spring, even though 

 most of the fields of wheat have been treated properly and contain 

 no flies. One -field in which volunteer wheat is allowed to remain may 



