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This article in SSSAJ

  1. Vol. 32 No. 3, p. 430-432
    Received: Nov 4, 1966
    Accepted: Feb 6, 1968

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Soil Erosion in Relation to Properties of Eastern and Western Washington Forest Soils1

  1. A. N. Balci2



Soil was sampled under Douglas-fir stands (Pseudotsuga meanziesii) located on similar parent materials in eastern and western Washington. Simulated rainfall applied to soil blocks showed real differences in erodibility of east- and west-side soils. All soil properties tested, except texture, differed significantly between the two locations.

Over 70% of the variation in soil erodibility was accounted for by a multiple regression equation using erodibility as the dependent variable and loss on ignition, permanent wilting percent, and percent silt as independent variables. Differences in soil properties were attributed to influences of climate on production of plant litter and ensuing decomposition and incorporation of litter in soil by organisms.

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