CONSERVATION PRACTICES FOR TOBACCO LANDS 



11 



The numerous small depressions along the row did not completely fill 

 with moving soil but remained as miniature basins and helped retain 

 part of the surface water. These miniature storage basins along the 



16 



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Row grade in inches per 100 feet 



Figure 7. — Runoff, velocity, and soil loss from tobacco plots with different row 

 grades, Raleigh, N. C. 1941-13. Row grades above 12 inches per 100 feet caused 

 no increase in runoff but velocity and soil loss continued to increase. 



