http://www.cnr.it/ontology/cnr/individuo/prodotto/ID206160
Compost assisted phytoremediation in agricultural acid soil contaminated by heavy metals (Abstract/Comunicazione in atti di convegno)
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- Compost assisted phytoremediation in agricultural acid soil contaminated by heavy metals (Abstract/Comunicazione in atti di convegno) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Alternative label
Pedron, Francesca ; Petruzzelli, Gianniantonio; Rosellini, Irene; Barbafieri, Meri (2011)
Compost assisted phytoremediation in agricultural acid soil contaminated by heavy metals
in XI International Conference on the Biogeochemistry of Trace Elements, Firenze, 3-7 luglio 2011
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Pedron, Francesca ; Petruzzelli, Gianniantonio; Rosellini, Irene; Barbafieri, Meri (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
- ID_PUMA:/cnr.ise/2011-A6-027.Area di valutazione 04 - Scienze della Terra (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR-ISE, Sede distaccata di Pisa (literal)
- Titolo
- Compost assisted phytoremediation in agricultural acid soil contaminated by heavy metals (literal)
- Abstract
- At an agricultural site contaminated by heavy metals, phytoremediation, preferred by stakeholders as remediation technology, appeared of difficult applicability due to the acidic nature of the soil that promoted a very high bioavailability of the metals thus inducing phytotoxicity effects in plants with a strong reduction of growth and of biomass production. The soil chemical environment was modified to decrease metal solubility in order to promote an increase in biomass production, allowing in the meantime a significant uptake of metals. Different strategies were evaluated: pH increase by lime treatment, addition of organic matter (compost) and inorganic material (zeolites) with adsorptive properties for metals. Microcosm Experiments with Brassica juncea, Poa annua and Helianthus annuus were performed in the three different situations. the effects of the treatments on biomass production were positive with an increase for all the plant species. The addition of compost produced the most favorable condition for the growth of plants, probably also due to the beneficial effects caused by the increase in fertility elements such as carbon, nitrogen and phosphorous in the contaminated soil. (literal)
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