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1 I ! <br /> Grouping Soils for Vegetative Purposes - California 00 <br /> N <br /> 0 Veg. Major Soil Effective Surface Subsoil Drainage Salinity Reaction Erosion AWC o <br /> N Group Limitation Dept(In.) Texture Permeability Class and Alkalinity 41 (In.) y <br /> p Symbol u 2! 31 ¢1 <br /> Q0 <br /> Q0 O <br /> m <br /> � A none 36 or more sl through moderately moderately well none through medium acid through slight through 5 or more <br /> CD more sict rapid through slow through well slight mod alkaline(pH 5.6-8.4) mod. <br /> W <br /> rn <br /> B drouthiness 36 or more a,Is,gsl, very rapid excessively none through strongly acid through slight 5 or less <br /> N <br /> vg,k through very slow through slight mod alkaline(1H5.6-8.4) through o <br /> m <br /> very slow moderately wed mod. 1 "o <br /> 1 0, <br /> 0 <br /> 0 <br /> C fine textures 20 or more c,sic,go moderate moderately none medium acid through mod slight 5 or more <br /> w <br /> through slow well through well through slight alk. (pH 5.6-8.4) through mod. <br /> �A <br /> O <br /> D Clay Pan 10 through sl through slow or very well through none through med acid through mod. slight 3 or more <br /> soils 5! 36 ad slow somewhat poorly slight alkaline(pH 5.6-8.4) through mod. <br /> E wetness 20 or more s through c rapid through somewhat poorly none through med acid through mod slight 3 or more d <br /> slow thr very poorly slight alkaline(pH 5.6-8.4) through mod 9 <br /> H <br /> F salinity or 20 or more s through c rapid through mod.Well moderate neutral through very sight <br /> alkalinity slow through poorly through strong strongly alk(pH 6.6-9.0+) through mod 3 or more o <br /> z <br /> G shallow 10 through s,Is,gsi,vg, moderately moderately well none through medium acid through slight through 3 or more <br /> depth Il 3610 thr 20 k,sl thr slcl c, rapid through through somewhat slight moderately alkaline mod. <br /> go very slow excessively (pH 5.6-8.4) <br /> N <br /> X H low pH 20 or more sl through silt moderately rapid somewhat poorly none strongly acid thr slight through 3 or more <br /> n (D \o through mod slow through somewhat extremely acid(pH less mod. <br /> to excessively than 5.6) <br /> (D <br /> I toxicity 10 or more 1 through c mod rapid somewhat poorly none through med acid through mod slight through 3 or more <br /> C<D (serpentine through mod. through somewhat slight alkaline(pH 5.6.8.4) mod. <br /> G) soils) slow excessively <br /> N <br /> 0 b J severe IV any any very rapid through excessively none through any slight through arty <br /> C Su <br /> 'p Qvery slow through very strong severe <br /> ply <br /> N O <br /> Natural Resouces Information-Vegetative Soil Groups-July 2000 Page 3 N <br />