14 



MISC. PUBLICATION 6 5 6, U. S. DEPT. OF AGRICULTURE 



#** r 





ill 



1* 



Figure 9. — A, Contour tobacco planted on fiat rows has been damaged by one hard 



rain. Excess water will usually cause cross-wash damage in tobacco tields, 

 unless directed to grassed waterways. B, Across-slope ridged rows with 1- 

 percent grade shown here prevent cross washing during a heavy summer rain. 

 They provide adequate low-velocity drainage. 





