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This article in AJ

  1. Vol. 70 No. 3, p. 514-516
     
    Received: July 15, 1977


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doi:10.2134/agronj1978.00021962007000030040x

A Method for Taking Small Monoliths for Plant Root Studies1

  1. M. D. Kauffman and
  2. E. H. Gardner2

Abstract

Abstract

Observations of plant root growth can be important in studies involving soil-plant relationships. A simple method for removing and exposing plant root systems was developed to study the effect of lime treatments on the root growth of alfalfa (Medicago sativa L.) and wheat (Triticum aestivum L.). A chain saw was used to remove monoliths containing partial root systems and the soil was removed from the root systems using a washing technique which consisted of a detergent pre-treatment and subsequent oscillation of the monolith in a water bath. The monolith was mounted on a grid of nails to reduce displacement of the root system during the washing process. Using this procedure the effects of lime treatments on root growth were observed.

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