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This article in SSSAJ

  1. Vol. 47 No. 3, p. 610-611
    Received: July 9, 1982
    Accepted: Jan 10, 1983

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A Technique for Parallel Placement of Access Tubes1

  1. M. J. M. Römkens and
  2. F. D. Whisler2



A technique has been developed for parallel insertion of access tubes into a soil. The technique requires hydraulic equipment of the Giddings type supplemented with machined attachments. The results show a minimum of nonparallelism in both the parallel and perpendicular directions to the plant row.

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