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This article in JEQ

  1. Vol. 4 No. 3, p. 339-341
    Received: Oct 24, 1974

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A Comparison of Nitrogen, Phosphorus, and Carbon in Sediments and Soils of Cultivated and Noncultivated Watersheds in the North Central States1

  1. Jerry C. Ritchie,
  2. Angela C. Gill and
  3. J. Roger McHenry2



Soil and sediments from six cultivated watersheds and from six noncultivated watersheds were sampled and the concentration of nitrogen, phosphorus, and carbon was determined. No significant difference was found in the concentration of N, P, or C with depth in the soils or sediments. Concentration of N, P, and C were not significantly different in the soils and sediments of the cultivated watersheds; however, the sediments of the noncultivated watersheds had significantly less N and organic P than the watershed soils. Less accumulation of N, P, and C is occurring in the noncultivated watershed sediments than in the cultivated watershed sediments. These data indicate that sediment source is probably an important factor in determining N, P, and C concentration in reservoir sediments.

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