Farming in Cumberland County in the Claypan Region of Southern Illinois a Stud
Farming in Cumberland County in the Claypan Region of Southern Illinois a Stud
Robert Cooke Ross
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Too intensive cropping or pasturing at this break may also cause serious erosion, especially where soils slope steeply. Bottomland soils of streams rising in or above the glacial moraine produce good yields as they have been partly formed of sediment from the highly productive soil of east-central Illinois. Bottomland soils of streams originating below this moraine are of low productivity since their watersheds are the adjacent hills and uplands which con- tain soils of low productive capacity.... The light-gray prairie areas (LP) He in five widely scattered tracts and total 116 square miles (Fig. 6). The soils include some of the poorest prairie types of the state. 1 Because of the flat topography and the claypan subsoil, adequate drainage in most of this area is a serious 'Cisne silt loam, rating 9, predominates ; Newberry silt loam, rating 7, and Hoyleton silt loam, rating 8, are less extensive. The former are nearly level ; the latter has slopes from 1. 2 to 3. 5 percent. (See footnote, Table 1, for explanation of rating scale.
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