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This article in SSSAJ

  1. Vol. 46 No. 4, p. 807-810
     
    Received: July 23, 1981
    Published: July, 1982


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doi:10.2136/sssaj1982.03615995004600040029x

Salt Status of Glacial Till Soils of North-Central Montana as Affected by the Crop-Fallow System of Dryland Farming1

  1. Hayden Ferguson and
  2. Tom Bateridge2

Abstract

Abstract

Paired samples from adjacent dry-farmed and native grassland areas of glacial till soils of north-central Montana were analyzed for soluble salts to determine if crop-fallow farming has caused increased salt leaching. The results indicate that approximately 50 years of crop-fallow farming has significantly reduced the soluble salt content of some soils. From an edaphological standpoint the salt reduction in the root zone is beneficial. However, up to 90 t/ha of salt have been moved in the soil toward (to) the groundwater table; this is the source of the salts causing groundwater salinization and saline seeps.

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