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This article in AJ

  1. Vol. 71 No. 2, p. 373-374
    Received: Aug 21, 1978

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A Versatile and Economical Tractor-Mounted Soil Sampler1

  1. J. M. Chandler and
  2. K. E. Savage2



A hydraulic soil coring machine was constructed for obtaining samples for herbicide residue studies in cotton (Gossypium hirsutum L.) and soybean [Glycine max (L.) Merr.] field plots throughout the growing season. The device is mounted on the three-point hitch of a tractor and utilizes a conventional hydraulic cylinder for taking the soil core. The sampling unit moves laterally on a rigid frame, allowing collection of samples at any point up to 75 cm from the center line of the tractor. Samples may be taken to a depth of 50 cm in 5-cm increments. The simplicity of design and economical construction, along with the ease of mounting on the tractor, make this an excellent research tool.

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