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KLOS$NER SERIES <br /> The Klossner seris consists of very deep,very poorly drained soils formed in well decomposed organic <br /> material 16 to 50 i ches thick overlying loamy deposits on moraines,till plains,lake plains,flood plains, <br /> and hillside seep eas.They have moderately slow to moderately rapid permeability in the organic <br /> material,and moderate or moderately slow permeability in the loamy material.Slopes range from 0 to 8 <br /> percent.Mean annual precipitation is about 28 inches.Mean annual temperature is about 47 degrees F. <br /> TAXONOMIC CLASS: Loamy,mixed, euic, mesic Terric Haplosaprists <br /> TYPICAL PEION: Klossner muck-with a 1 percent slope in a cultivated field. (Colors <br /> are for moist soil unless otherwise stated.) <br /> Oap--0 to 10 inches;black(N 2/0)muck, very dark gray(10YR 3/1) dry; about 20 <br /> percent fiber, less than 5 percent rubbed; weak fine subangular blocky structure; very <br /> friable; many vary fine roots;moderately acid; abrupt smooth boundary. <br /> Oa--10 to 26 inches;black(10YR 2/1)muck,dark gray(10YR 4/1)dry; about 60 percent <br /> fiber, about 6 prcent rubbed; weak fine subangular blocky structure; very friable;many <br /> very fine roots; oderately acid; gradual smooth boundary. (Combined thickness of 0 <br /> horizon is 16 to 50 inches.) <br /> 2A1--26 to 36 iches;black(N 2/0)mucky silty clay loam;weak medium subangular <br /> blocky structure friable; few very fine roots; slightly acid; gradual smooth boundary. <br /> 2A2--36 to 48 i ches;black(N 2/0) silty clay loam; massive; friable; few dark reddish <br /> brown(5YR 3/4 iron oxide concentrations in root channels; about 1 percent gravel; <br /> neutral; gradual avy boundary. (Combined thickness of 2A horizon is 8 to 45 inches <br /> thick.) <br /> 2Cgl--48 to 65 inches; olive gray(5Y 5/2) clay loam; massive; friable; dark reddish <br /> brown(5YR 3/4)Fe oxide concentrations in root channels;many medium prominent <br /> yellowish brown(10YR 5/6)Fe concentrations; about 1 percent gravel; slightly <br /> effervescent; slightly alkaline; gradual wavy bounday. <br /> 2Cg2--65 to 80 inches; gray(5Y 5/1) loam,massive; friable; many medium prominent <br /> light olive brown (2.5Y 5/4) and yellowish brown(10YR 5/4)Fe concentrations; about 3 <br /> percent gravel; sightly effervescent; slightly alkaline. <br /> TYPE LOCATION: Nicollet County, Minnesota;2600 feet north and 2300 feet east of <br /> the southwest corner, sec. 12, T. 110 N.,R. 28 W.;USGS Nicollet quadrangle; lat. 44 <br /> degrees 20 minutes 53 seconds N. and long. 94 degrees 8 minutes 28 seconds W., <br /> NAD27. <br /> RANGE IN CHCTERISTICS: The thickness of the organic material ranges from <br /> 16 to 50 inches. I is derived primarily from herbaceous plants. The organic matter <br /> content ranges fr m 25 to 60 percent in the organic surface and 5 to 20 percent in the 2A <br /> horizon. The reaction of the organic material ranges from moderately acid to slightly <br /> alkaline. Some o anic layers contain free carbonates. <br /> i <br />