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Published online 1 August 1960
Published in Agron J 52:477-479 (1960)
© 1960 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Influence of Stubble Mulching on Organic Matter and Nitrogen Content of the Soil1

Fred A. Norstadt and T. M. McCalla2

Synopsis: 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.

1 Contribution by the Soil and Water Conservation Research Division, ARS, USDA, and the Nebraska Agricultural Experiment Station, Lincoln, Nebraska, cooperating. Published with the approval of the Director as Paper No. 991, Journal Series, Nebraska Agr. Exp. Sta.

2 Graduate student, University of Nebraska, and microbiologist, Soil and Water Conservation Research Division, ARS, USDA, respectively.






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Copyright © 1960 by the American Society of Agronomy.