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better farm methods, including not only cultural methods but by all 
means rotation of crops, watching for and stamping out the pest 
when it first appears in the South in the fall and winter, they will 
in all probability suffer far less from destruction of their crops when 
the next invasion of this pest occurs. 
Approved: 
James WILSON, 
Secretary of Agriculture. 
Wasnineton, D. C., July 3, 1907. 
[Cir. 93] 
O 
