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TABLE 3E _ <br /> <br />Suitability ratings for soils as sources of [opsoiling macerial.l <br />Soil Characcerlstic Cood Fair Poor L'nsuitableb <br />pH2 6.0-6.4 5.5-6.0 5.0-5.5 Under 5.0 <br /> 8.4-8.8 0.8-9.0 Over 9.0 <br />Conduc[lvi[y (EC) <br />mmhas/® @ 25o Under 4 4-8 8-16 Over 16 <br />Saturation <br />Percentage (SP) 25-80 Over BO <br /> Under 25 <br />Texture class s1,l,si1, cl,sicl, c,sic,s <br /> aC1 9C,19 <br />Sodium Adsorption <br />Ratio (SAR) Under 6 8-10 10-15 Over 15 <br />Calcium carbonate] None-slight ;toderate High <br />(0-15Z) (15-307.) (Over 307.) <br />Moist consistence Friable Loose, Very firm <br />firm <br />Dry consistence Loose, soft Slight Very hard <br />hard, hard <br />Selenium4 2 ppm or Less Creaser than 2 ppm <br />BoronS 5 ppm or less Greater than 5 ppm <br />1 Wyoming Deparrmens of Environmental Quality, Land Quality Division, Culdeline <br />,70. J, Table 1. <br />2 Saturated Soil Paste, U.S.D.A. Handbook 60, pg. 102. <br />J Effervescence with acid or CaCOJ equivalent, U.S.D.A. Handbook 60, pg. 105. <br />4 Hot 4•a ter soluble, A.S.A. Mono ~!9, Part 2, pgs. 1122-2J. <br />5 Hoc eater soluble, A.S.A. Mono +?9, Per[ 2, pgs. L062-6J. <br />6 EstabLiahmenc of vegetation on soils having any of these extreme conditions would <br />be severely restzlc[ed. <br />.,!lgt'.... . <br />._- _._ ... me .._~ - <br />