4 LEAFLET 3 7. U. S. DEPARTMENT OF AGRICULTURE 



and with large, open areas. The individual farmer rarely has enough 

 cotton to justify ownership of a plane, but commercial organizations 

 are now selling airplane-dusting service on a per-acre contract basis. 

 To obtain such service several large farms or many small ones 

 may provide the necessary acreage, and the cost is usually no higher 

 than the cost to the farmer who does his own poisoning. 



Duster attachments for cultivators. — Various types of dusting 

 devices for attachment to cultivators are now being developed, and 

 although these are in an experimental stage it is undoubtedly only 

 a question of time until useful equipment of this sort will be 

 available. 



Cost of Poisoning 



The cost of poisoning varies widely with the individual problem, 

 and only average figures can be given. On the basis of present 

 prices (calcium arsenate now costs 8 cents per pound) the presquare 

 application costs about 50 cents per acre, whether dust or molasses 

 mixture is used, and the later dustings cost about 75 cents per acre 

 per application. 



Every farmer who contemplates poisoning the weevils on his 

 cotton is urged to obtain all possible detailed information for his 

 guidance. Free bulletins may be obtained from the United States 

 Department of Agriculture, Washington, D. C. Those requiring 

 special information may secure it by writing to the Delta Laboratory, 

 at Tallulah, La., or to any of the various State experiment stations 

 in the Cotton Belt. 



Above all, remember to — 



DO IT RIGHT OR NOT AT ALL 



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