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This article in SSSAJ

  1. Vol. 55 No. 3, p. 794-799
     
    Received: Apr 9, 1990
    Published: May, 1991


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doi:10.2136/sssaj1991.03615995005500030027x

Tillage and Simulated Rainfall Intensity Effect on Bromide Movement in an Argiudoll

  1. Thomas J. Bicki  and
  2. Lei Guo
  1. Department of Agronomy, Univ. of Illinois, 1102 South Goodwin Ave., Urbana, IL 61801

Abstract

Abstract

Movement of Br- in a Flanagan silt loam (fine, montmorillonitic, mesic Aquic Argiudoll) managed under five different tillage systems and subjected to three simulated rainfall intensities was documented. Under low (10 mm/h) and medium (25 mm/h) simulated rainfall intensities, movement of Br- in the soil profile was not significantly different between moldboard plow, chisel plow, disk plow, para-till, and no-till systems. When subjected to a high simulated rainfall intensity, significantly greater Br- movement occurred in the soil profile managed under continuous, long-term no-till. Greater movement of Br- in the no-till soil was attributed to preferential flow.

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