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U. S. DEPARTMENT OF AGRICULT1IRE <br />NATURAf, RESOURCES CONSERVATION SERVICE <br />PHYSICAL PROPERTIES OF SOILS <br />Endno to -- PHYSICAL PROPERTIES OF SOILS--Continued <br />5. Noncalcareoue loamy and silt loams that are leas than 20 <br />percent clay and sandy clay loamy, sandy clays, and hemic <br />soil material. These eoi3e are slightly erodible. Crops <br />tan be grown iE measures to control wind erosion are used. <br />6. Noncalcareoue loamy and silt loamy that are more than 20 <br />percent clay and noncalca reoua clay loamy chat are leas than <br />35 percent clay. These soils are very slightly erodible. <br />Crops can be grown if ordinary measures to control wind <br />erosion are used. <br />7. Silts, noncalcareous silty clay loamy ChaC are lees Chan <br />35 percent clay, and fibric soil material. These soi1B are <br />very alight ly erodible. Crops can be grown if ordinary <br />measures to Control wintl erosion are ueetl. <br />a. Soils that are not subject to wind erosion because of <br />coarse fragments on the surface or because of surface <br />WCCne98. <br />PAGE Q OF 4 <br />08/17/00 <br />T IND ERODINI CITY INDEX ie used in the wind erosion equation (WEQ). The index number indiCdCea [he <br />amount of soil lost in cons per acre per year. The range of wind erod ibility index numbers is 0 co 300. <br />