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,' •- ~ ; <br />' N51: - PAF?T <br />403.6 (a) SOIL A.ECONSTRUCTIOG h;RTEP.l7-._ <br />FOR DRASTICALLY DI STUN-EU AREA: <br /> <br />PROPERTI' i <br />~ GOOD <br />i LIh7IT~ <br />~ FAlk <br />i <br />iPOOR <br />i iRESTRICTIVF <br />i FEATURE <br />i <br />1. SODIUM ADSORPTION ~ <5 ~ 5-12 ~>12 iEXCE55 SODIUP; <br /> <br /> RATIO i <br />i ' <br />i ' <br />i ~ <br />i <br /> <br />2. <br />SALINITY (MMHOS/CM) <br />~ <8 <br />i <br />~ 8-16 <br />i i <br />i)16 <br />i i <br />EXCESS SALT <br />i <br />3. TOXIC MATERIALS i LOW i MEDIUM THIGH fPOXICITY <br />i <br /> <br />29 i <br />i i <br />i i <br />i i <br />4. SOIL REACTION (pH) ~ 5.6-7.8 i 4.5-5.5 i<4.5 TOO ACID <br /> <br />5. <br />SOIL REACTION (pH) i <br />~ --- i <br />, 7.9-8.4 i <br />x)6.4 i <br />,EXCESS LIME <br /> <br />6. <br />AVAILABLE WATER i <br />i > .10 i <br />i .05-.10 i <br />i< .05 i <br />iDROUGHTY <br /> CAPACITY (IN/IN) ~ <br />i ~ <br />i ~ <br />i ~ <br />i <br /> <br />7. <br />EROSION FACTOR (K) i <br />i L.37 i <br />i). 37 i <br />i --- i <br />iERODES EASILY <br /> i i i i <br />8. WIND EROD. GROUP ~ ~ 3 i)3 ~ 1, 2 SSOIL BLOWING <br /> i i i 4/ i <br />9. USDA TEXTURE i --- iSCL, CL ~ C- 4~ iT'00 CLAYEY <br /> SILL i SIC -, <br /> i <br />i i <br />i i SC <br />i i <br />i <br />10. USDA TEXTURE i --- ~LCOS, LS ~ COS, S, iT00 SANDY <br /> i <br />i iLFS, LVFS i FS, <br />i i VFS i <br />i <br /> <br />11. <br />COARSE FRAG. (WT PCT) i <br />' i <br />' i <br />' i <br />' <br /> 3-10 in. i <15 i15-35 i) 35 iLARGE STONES <br /> )10 in. , <3 <br />i , 3-10 <br />i i> 10 <br />i ,LARGE STONES <br />i <br /> 29/ Layers with high potential acidity should be rated poor. <br /> 4~ If 'in kaolini[ic fam ily, rate one class be[t er if experience confirms. <br />NSH Notice 29 -3/31/78 <br />/7 ~C ij <br />