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, <br /> � <br /> may have mucky modifiers. [t is commonly neutral but ranges from slightly alkaline to <br /> ' slightly acid. <br /> AB horizon has colors and textures similar to the A and Bg horizons. <br /> ' The Bg horizon has hue of SY or 2.SY, value of 2 to 5, and chroma of 1 or 2. Dark <br /> colored tongues fram the A horizon range from few to common. [t is loam, clay loam or <br /> ' silty clay loam. Near the center of some depressions, some pedons have B horizons that <br /> have a slight clay increase relative to the A horizons. [t is neutral to slightly alkaline, but <br /> in some pedons the lower part of the B horizon is slightly alkaline with slight <br /> � effervescence. The Bg horizon is absent in some pedons. <br /> The Cg horizon has hue of SY or 2.SY, value of 4 to 6, and chroma ot 1 to 4. [t is loam, <br /> clay loam or silty clay loam. It is slightly alkaline, with weak or strong effervescence. <br /> � Calcium carbonate segregations are present in some pedons. <br /> COMPETING SERIES: These are the � �, � � � , ��� �._�� ��, � , �� � <br /> � _. , ., , „ , , and ��� � � series. <br /> Co(and and Comfrey soils do not have rock fragments in their control sections. [n <br /> addition, Coland soils are deeper to free carbonates. Delft soils are poorly drained, are not <br /> ' in closed depressions, have prismatic structure in subsoil, and do not have tongues of the <br /> A horizon in the Bg horizon. Gielow, James Canyon, Keddie, Kimmerling, Konner, <br /> McClave, Peoh, and Wenas soils are drier in the soil moisture control section during the <br /> � 120 days following the summer solstice. Romnel( soils contain appreciable amounts of <br /> gypsum in their sola. Shandep soils do not have tongues of A horizon in the Bg horizon <br /> and have a coarse textured 2C horizon. <br /> , GEOGRAPHIC SETTING: Glencoe soils typically are in closed depressions or low <br /> gradient swales within the Des Moines lobe ofi the Late Wisconsinan glaciation. The <br /> Glencoe soils are formed in loamy colluvial sediments and foamy glacial tilL Mean <br /> ' annual temperature ranges from 45 to 52 degrees F. Mean annual precipitation ranges <br /> firom 25 to 32 inches. The frost free days range from 124 to 172. The elevation above sea <br /> level range from 700 to 1600 feet. <br /> ' GEOGRAPHICALLY ASSOC[ATED SOILS: These are the , , , <br /> , and � �� soils. The well drained Clarion soils are on the sloping uplands. <br /> ' Somewhat poorly drained Nicollet and the poorly drained Canisteo, Webster, and Harps <br /> soils are on nearly level to gently undulating slopes. All the above have mollic epipedons <br /> less than 24 inches thick. [n addition, the Canisteo and Harps soils contain free <br /> � carbonates throughout. The Glencoe soils also are associated with the � � ! _ and _ <br /> soils and their respective topographic associates in some places. <br /> ' DRAINAGE AND PERMEABILITY: Very poorly drained. Surface runoff is <br /> negligible. Permeability is moderate or moderately slow. <br /> USE AND VEGETATION: Mostly drained and cropped to corn and soybeans. Native <br /> � vegetation was a wet site plant community of the tall grass prairie plant formation. <br /> , <br /> � <br />