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Soil Science Society of America Journal Abstract -

Soil Compaction in Double-cropped Wheat and Soybeans on an Ultisol1


This article in SSSAJ

  1. Vol. 51 No. 1, p. 183-186
    Received: June 6, 1986

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  1. D. S. NeSmith,
  2. D. E. Radcliffe,
  3. W. L. Hargrove,
  4. R. L. Clark and
  5. E. W. Tollner2



In recent years double-crop winter wheat (Triticum aestivum L.) and soybeans [Glycine max (L.) Merr.] have become quite common in the southeastern USA. To minimize the time between harvest of the winter crop and planting of soybeans, many farmers have adopted reduced or no-tillage systems. A 2-yr experiment was conducted on an Ultisol in Georgia to assess the influence of these tillage practices on soil physical properties. Spring tillage treatments were no-tillage, disking, and moldboard plow plus disking. Fall tillage prior to planting wheat was with a disk. Bulk density and mechanical impedance measurements indicated a compacted layer in the disked and notillage treatments at a depth of 0.15 to 0.25 m. This was attributed, in part, to the fall disking, and it persisted through the winter and into the next growing season.

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