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This article in SSSAJ

  1. Vol. 55 No. 6, p. 1796-1797
     
    Received: Apr 30, 1990
    Published: Nov, 1991


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doi:10.2136/sssaj1991.03615995005500060048x

System for Collecting Undisturbed Cores from Surface Soils for Micromorphological Analysis

  1. F. E. Rhoton  and
  2. D. S. McChesney
  1. USDA-ARS National Sedimentation Lab., Oxford, MS 38655

Abstract

Abstract

Intact soil cores are difficult to extract from reduced-tillage plots using available equipment due to the tendency of cores to separate at planes of weakness. A split-tube sampler was developed to minimize disruptions of the natural soil fabric that frequently occur as the core is removed from the sampling equipment. Construction details are provided that permit this equipment to be attached to standard hydraulically driven soil-coring equipment. Use of this equipment, in conjunction with sample containers that are resistant to laboratory pretreatment procedures and impregnating resins, greatly reduced sample handling and the potential for creating structural anomalies.

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