Effect of Zinc Oxide Nanoparticles on Zinc Chemical Forms Species in Soil Solution Phase and its Correlation with Concentration and Uptake of Zinc in Wheat
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Application of various nanoparticles is increasing in different industries, including agriculture. Hence, extensive researches requires is needed to assessment of the relationship between metallic nanoparticles and dominant chemical species of the metals elements in the soil. For this purpose, a research was carried out to investigation investigate of the effects of zinc oxide nanoparticles and zinc sulfate fertilizer on zinc chemical species in the soil solution and also its correlation with concentration and uptake of zinc in wheat plant. This study was conducted in greenhouse conditions as a completely randomized design with three replications. The experiment treatments include ZnO Nanoparticles nanoparticles at three levels (100, 200 and 300 mg.kg-1), ZnSO4 fertilizer (40 kg ha-1) and Control. Some chemical properties of the soil, concentration and uptake of zinc were measured at the end of the cultivation season. Geo-Cchemical model of visual MINTEQ was used after the extraction of soil solution elements, in order to estimation of the dominant chemical species of zinc in the soil solution. The results indicated that soil solution pH, soil available zinc and DOC were influenced by the treatments. The ZnO nanoparticles significantly were decreased the soil pH. Also, these nanoparticles significantly were increased the DOC and soil available zinc. The highest amount of zinc free species (Zn2+) was obtained in treatment of zinc oxide nanoparticles at level of 300 mg.kg-1. ZnO nanoparticles and ZnSO4 fertilizer significantly were increased the Zn-DOM specie compared to control. The results also showed that a positive correlation between Zn2+ and Zn-DOM species with concentration and uptake of zinc in various parts of wheat.
Language:
Persian
Published:
Applied Soil Reseach, Volume:7 Issue: 4, 2020
Pages:
35 to 46
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