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This article in AJ

  1. Vol. 69 No. 1, p. 122-124
     
    Received: Apr 23, 1976
    Published: Jan, 1977


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doi:10.2134/agronj1977.00021962006900010032x

A Self-Propelled High-Clearance Soil Coring Machine1,2

  1. Walter Bausch,
  2. A. B. Onken,
  3. C. W. Wendt and
  4. O. C. Wilke3

Abstract

Abstract

Mechanical soil sampling equipment currently available is suitable for sampling prior to crop establishment or in low growing crops but cannot be used without plant damage in some tall crops. A self-propelled high-clearance soil coring machine was designed and constructed to obtain soil samples in a tall standing crop at a range of lateral as well as vertical distances. The sampler is hydraulically operated and has vertical pressure and rotary drilling capabilities. This equipment has a lateral travel span of 152 cm and the capability of coring to a depth of 9 m with the mast in any lateral position on the track. Two operators can use the sampler without difficulty; however, three operators are desirable if a large number of samples are to be taken. As many as eighty 30-cm increment soil samples have been taken per hour when sampling a moist sandy soil to a depth of 2 m.

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