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Mollisols
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3. fine-silty,
mixed, superactive, mesic Typic Argiudoll
(Sharpsburg
series)
These soils,
formed in deep loess and
formed under tall-grass prairie. They are extensive throughout SW
Iowa, NW Missouri, NE Kansas, and SE Nebraska, where they occupy convex ridgetops, upland divides,
convex side slopes, and high benches. Most of these soils are now
used for cultivation of corn, soybeans,
small grains, and hay.
Mean annual
precipitation is approximately 28-32", which has been sufficient to leach CaCO3 from the soil profile. This has allowed clay movement and formation of an argillic horizon (Bt horizons).
These soils belong to the Sharpsburg
series; for more
information on these soils, click here.
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Examples:
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1.
Typic Endoaquoll
Nebraska |
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2. Argialboll
South Dakota |
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3.
Typic Argiudoll
Iowa |
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4.
Udoll-Aquoll landscape
central Iowa |
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5.
Typic Argiustoll
southeastern South Dakota |
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6. Rendoll
Minnesota |
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7.
Cryoll landscape
Lemhi Co., ID |
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8.
Pachic Argicryoll
Lemhi Co., ID |
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9.
Argixeroll landscape
Nez Perce Co., ID |
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10.
Lithic Argixeroll
Nez Perce Co., ID |
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11.
Haploxeroll landscape
Teton Co., ID |
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12.
Calcic Haploxeroll
Teton Co., ID |
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13.
Haploxeroll landscape
Latah Co., ID |
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14.
Pachic Ultic Haploxeroll
Latah Co., ID |
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15.
Argixeroll landscape
Benewah Co., ID |
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16.
Oxyaquic Argixeroll
Benewah Co., ID |
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