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• TABLE 16 <br />SUITABILITY CRITERIA OF 'iUPSOIL <br />(OR TOPSOIL SUBSTITUTE) <br />Suitable <br />Parameter Good Fair PWr Unsuitable <br />J ~ pH 6.0-8.4 5.5-6.0 5.0-5.5 5.0 <br />• 8.4-8.8 8.8-9.0 9.0 <br />EC (Conductivity) 0-4 4-8 8-16 <br />mmhos/on 8 may prove difficult <br />to revegetate 16 <br />Saturation Percentage 25-80 80 <br />25 <br />Texture 1/ sl, 1, sil, cl, sicl, sc c, sic, s 508 c <br />scl, vfsl, fsl ls, lfs 85$ s <br />• .I SAR 6 6-10 10-15 15 <br />10-12 2/ 12 2/ <br />Calcium Carbonate 0-15$ 15-308 over 308 <br />Coarse Frag 3-10 in. 0-15 15-25 25-35 35 <br />~,rV (8) vol 10 in. 0-3 3-7 7-10 10 <br />,~~ <br />Nbist Consistency vfr, fr lo, fi vfi, exfi <br />Dry Consistency lo, so sh, h vh <br />1/ SCS. 1978. National Soils Handbook, Notice 24. <br />2/ For fine textured soils (clay 408) (Gee, et al., 1978). <br />• <br />2.04-39 <br />