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This article in SSSAJ

  1. Vol. 22 No. 1, p. 70-75
     
    Received: May 10, 1957
    Accepted: Aug 26, 1957


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doi:10.2136/sssaj1958.03615995002200010019x

Variations in Forest-Derived Soils Formed from Kansas Till in Southern and Southeastern Iowa1

  1. R. C. Prill and
  2. F. F. Riecken2

Abstract

Abstract

Field and laboratory studies were made of forest-derived Lindley soils formed from Kansan till. Five variants in the present Lindley series were recognized, indicating the wide range in morphological, physical, and chemical characteristics of the series as presently defined. This range was somewhat comparable to the range in properties observed for Gray-Brown Podzolic soils formed from Wisconsin loess, which range in stage of development from minimal to maximal.

The ratio of exchangeable calcium to magnesium did not show a consistent relationship with content of clay in the B2 of the Lindley variants. Neither was there a consistent relationship between content of free iron and clay content in the B2. As several of the Lindley variants have ferretto zones coinciding with the designated B2 layer, the lack of precise relationships between exchangeable cations with clay seems to be related to their burial with loess, and resaturation with bases.

There is an apparent relationship of increasing degree of horizon development with decreasing slope for the Lindley variants. However, this is not a simple sequence relationship with topography, as time as well as possibly parent material are also important variables.

Evidently the present Lindley series needs to be subdivided into a number of series.

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