so.





 20,













 Plowed4" Plowed8" Continuous Continuous Rotation Continuous
 Followed Followed Bluegruss Wheat Corn

 PLATE VIII
(Upper)-Centipede grass set only two months using small squares
 of sod. This grass makes good ground protection.
 (Courtesy, Soil Conservation Service, U.S.D.A.)
(Lower)-Graph showing the effect of different treatments on
erosion. (Note the small annual loss of soil under continuous
 grass.)
 (Courtesy, Mo. Agr. Exp. Station, Res. Bul. 177.)


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