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Effects of Mycorrhizal Fungi in Phytoremediation of Heavy Zinc-Contaminated Soils by Forage Corn

Author Affiliations

  • 1Student of Agronomy, Varamin-Pishva Branch, Islamic Azad University, Varamin, IRAN
  • 2 Department of Agronomy, Varamin-Pishva Branch, Islamic Azad University, Varamin, IRAN

Int. Res. J. Biological Sci., Volume 2, Issue (11), Pages 47-54, November,10 (2013)

Abstract

This study was done aiming at investigating interaction between manure and mycorrhizal fungi on amount of phytoremediation of forage maize in Varamin in summer 2012. It should be noted that sewage water was used for irrigation of this farm in the south of Tehran for many years and then it was irrigated tap water while conducting this research. This study was run in factorial form in the form of a randomized complete block design with three replications with following factors: 1. Mycorrhiza (M) at 3 levels - without the use of mycorrhiza fertilizer (M), b. use of mycorrhiza fertilizer as 60 kg per hectare (M), c. use of mycorrhiza fertilizer as 120 kg per hectare (M) and, manure treatment (F) at 3 levels – a. without use of animal manure (F) b – use of 25 tons of manure per ha (F), c – use of 50 tons of manure per ha (F). Variance analysis results showed that concentration of zinc in leaf is higher than root. The highest zinc concentration with 30.92 mg/kg was observed in aerial organ. According to research, forage corn, presence of mycorrhizal fungi, and animal manure can be used in phytoremediation of zinc.

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