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This article in SSSAJ

  1. Vol. 29 No. 5, p. 637-638
    Received: Apr 16, 1965
    Accepted: June 21, 1965

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A Soil Compactor and Procedure Used for Preparing Soil Cores for Measuring Physical Properties1



    A motor-driven soil compactor is described. The action involves a dropping technique while the soil surface is simultaneously under spring loading. A procedure is proposed for compacting moist samples. A typical curve is shown relating compacted bulk density to water content at compaction. The curve displays a minimum bulk density at a water content associated with a 5-bar suction value used to equilibrate the fragmented soil sample prior to compaction. Compacted cores obtained with water content as a controlled variable are being used for obtaining soil physical properties in order to evaluate effects of field management and added amendments.

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