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- W2789874678 abstract "In order to find out the effect of non-bio chelating agent EDTA and bio-chelating agent NTA on soil heavy metal pollution, the effects of different ratio of chelating agent NTA and EDTA on soil heavy metals (Pb, Cu and Cd ), the effects of chelating on content of chlorophyll and vitamin C and the degree of soil nutrient loss were evaluated. The results showed: that the contents of Pb and Cd were the highest in the roots of Chrysanthemum in the treatment (EDTA / NTA = 2: 1). The treatment (EDTA / NTA = 1: 1) was the best chelating agent ratio for the synergistic effect, which can significantly promoted the Chrysanthemum on heavy metal Cu uptake and transport to aboveground. Chrysanthemum were inhibited by all chelating agents treatments, while the content of chlorophyll and vitamin C of the Chrysanthemum physiological indexes were reduced. In the treatment (EDTA = 1), chlorophyll SPAD, vitamin C content reached a minimum of 36 and 38mg · 100g-1, respectively. The nutrient element TN in the leachate were gradually decreased with the time, and the tenth day was significantly lower than the leaching rate of the first day (p <0.05) in the treatments (NTA = 1, EDTA / NTA = 1: 2). The nutrient element TN was decreased most, reaching 51.6%, and the activation effect was decreased significantly in the fifteenth day in treatment (NTA = 1), Treatment(EDTA / NTA = 1: 1)> treatment (EDTA = 1) >treatment (EDTA / NTA = 2: 1) >treatment (EDTA / NTA = 1: 2)> treatment (NTA = 1). Treatment (EDTA / NTA = 2: 1) was recommended for the chelating agent ratio with the better physiological parameters, the more heavy metal extraction and the less nitrogen and phosphorus loss" @default.
- W2789874678 created "2018-03-29" @default.
- W2789874678 creator A5005158838 @default.
- W2789874678 date "2018-02-01" @default.
- W2789874678 modified "2023-10-14" @default.
- W2789874678 title "Effects of Application of NTA and EDTA on Accumulation of Soil Heavy Metals in Chrysanthemum" @default.
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- W2789874678 doi "https://doi.org/10.1088/1755-1315/113/1/012175" @default.
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