9302019 10 ULTISOL ult in North Carolina highly weathered soils with subsurface

9302019 10 ultisol ult in north carolina highly

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9/30/2019 10 ULTISOL ( ult ) in North Carolina; highly weathered soils with subsurface accumulation of clay and low base saturation Oi Ap Eg Btg1 Btg2 i-slightly decomposed organic material p: plowed g: gleying, prolonged soil saturation resulting in the reduction of iron leading to dull gray coloration OXISOL the completely weathered soil
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9/30/2019 11 OXISOL ( ox ) completely weathered soils Strongly weathered from basalt, few (< 10% weatherable minerals, predominantly Fe and Al oxyhydroxides Ap Bo1 Bo2 Bo3 p: plowed o: residual accumulation of Fe and Al oxides HISTOSOL the organic soil
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9/30/2019 12 HISTOSOL ( ist ) Comprised mainly of organic vs mineral matter Oa Oe L e: intermediately decomposed organic material a: highly decomposed organic the frozen soil GELISOL
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