24 BULLETIN 1296, U. S. DEPARTMENT OF AGRICULTURE 
DISTRIBUTION OF MAN LABOR IN THE PREPARATION OB THE SEED BED AND SEEDING 
212 ACRES OF WHEAT 
20 
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TING 
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JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEPT. OCT. NOV. DEC. 
Fig. 16.— Listing and plowing for wheat should be done as early in the summer as possible. Harrowing 
is usually done just before the drilling 
