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Condition of Soils and Vegetation Along Roads Treated with Magnesium Chloride for Dust Suppression

Citation

Goodrich, Betsy A, Koski, Ronda D, and Jacobi, William R, Condition of Soils and Vegetation Along Roads Treated with Magnesium Chloride for Dust Suppression: .

Summary

Investigations of vegetation stress along non-paved roads treated with a range of magnesium chloride (MgCl2) application rates utilized 60 roadside and 79 drainage plots on 15 and 18 roads, respectively. Evaluations were completed of foliar damage, plant health, biotic and abiotic damage incidence and severity, soil and foliar chemistry and other common site and stand characteristics of Pinus contorta, Populus tremuloides, Picea engelmannii, Abies lasiocarpa, and lower elevation plots dominated by shrubs and grasses. High concentrations of soil magnesium and chloride (400?500 ppm), high foliar chloride (2,000?16,000 ppm depending on species) and high incidence of foliar damage were measured in roadside plots along straight road segments [...]

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Title Citation Condition of Soils and Vegetation Along Roads Treated with Magnesium Chloride for Dust Suppression

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