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KMID : 1024520210300030235
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Journal of the Environmental Sciences
2021 Volume.30 No. 3 p.235 ~ p.243
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Growth of Dendranthema zawadskii in Chloride-containing De-icing Salt Areas Upon Treatment With Soil Amendments
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Ju Jin-Hee
Yang Ji
Park Sun-Young
Yoon Yong-Han
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Abstract
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This study was conducted to investigate the growth of Dendranthema zawadskii in damaged soils when they are treated with improvement agents. The treatments consisted of a control (unamended field soil) and the application of a loess ball of 1 cm to the field soil. According to the degree of damage the de-icing agent had caused, the soils were divided into 3 areas (based on the yellowing of Pinus densiflora for. multicaulis in soil surveys): H (high saline), M (medium saline), and L (low saline). A total of six treatments were performed: D. zawadskiia plant without soil amendment (H; high saline soil, M; medium saline soil, L; low saline soil), and a D. zawadskiia plant with loess ball on the soil surface (H.L; high saline soil with loess ball, M.L; medium saline soil with loess ball, L.L; low saline soil with loess ball). The results showed that D. zawadskiia growth went from highest to lowest in the order: M.L > L.L > M > L > H.L > H. Plant growth results showed that soils treated with soil amendments (loess ball) were better for D. zawadskii growth than untreated soils.
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KEYWORD
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Saline soil, Salt tolerance, Loess ball, Sodium toxicity, Calcium chloride
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