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This article in AJ

  1. Vol. 85 No. 1, p. 178-181
     
    Received: Jan 16, 1992


    * Corresponding author(s):
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doi:10.2134/agronj1993.00021962008500010033x

A Hydraulic Soil Sampler Providing Minimum Field Plot Disruption

  1. L. L. Baarstad *,
  2. R. W. Rickman,
  3. D. Wilkins and
  4. S. Morita
  1. Univ. of Tokyo, Japan

Abstract

Abstract

Hydraulic-powered soil samplers speed and simplify the collection of soil cores and plant root samples. Unfortunately, the vehicle carrying a sampler often damages a large area of the crop surrounding a sampling site and compacts the soH surface. The extent of such damage often prevents the use of powdered samplers. An attachment linking a Giddings1 hydraulic probe to a knuckle boom mounted on a 3-t truck permitted removing soil cores from small field plots with virtually no damage to the crop or soil at the sample site (except for foot traffic). The objectives of this note are to describe and illustrate the attachment and present some examples of rapid, easy collection of soil cores that it provided. The hydraulic probe, when mounted at the end of a knuckle boom, was not restricted in any of its operations.

Joint contribution of the USDA-ARS and Columbia Basin Agric. Res. Center, Pendleton, OR. Oregon State Univ. Agric. Expt. Stn. Technical Paper no. 9816.

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