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This article in AJ

  1. Vol. 52 No. 8, p. 477-479

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Influence of Stubble Mulching on Organic Matter and Nitrogen Content of the Soil1

  1. Fred A. Norstadt and
  2. T. M. McCalla22



Increases in readily oxidizable organic matter, carbon, and nitrogen with stubble mulching for 14 and 19 years ranged from 5 to 10% and were concentrated in the surface inch of soil. There were no measurable differences between tillage treatments at depths of 1 to 6 and 6 to 12 inches.

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