Notice of RetractionInfluences of Three Plant Species on Fertility of Iron Mine Tailings Contained Vermicompost: Experiment in Greenhouse

Notice of Retraction

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The aim of this experiment is to test three plant species potential of growing in poor fertility and improving rhizosphere nutrient during iron mine tailings restoration. Three herbs, Zea diploperennis, Avena fatua and Lolium perenne, were cultured in pots with iron mine tailings under greenhouse. At the same time, cow manure vermicompost was applied into iron mine tailings to increase the plant survival in the experiment. Plant growth indicators, as the rate of emergency and survival, biomass of plant, nutrients contents of total and available N, P, and K in iron mine tailings, were determined in experiment of 30 days culture time. Data showed that Zea diploperennis grew better than Avena fatua and Lolium perenne as grown in mixture of iron mine tailing and 15%(v:v) vermicompost. The dry matter accumulation of Zea diploperennis was 62%, 282% and 99%, 614% significantly more than Avena fatua and Lolium perenne on shoot and root. Nutrients in iron mine tailing was different after three herbs harvested, which indicated that three plant species had different adaption to poor fertility by their absorption variety. The contents of nutrients in iron mine tailings applied cow manure vermicompost with Zea diploperennis were lower than other two species. It was indicated that Zea diploperennis had more adaption to the poor fertility and physical structure of iron mine tailings than other two species. It can be concluded that Zea diploperennis will be a better plant species in iron mine tailings especially as vermicompost - pplied.