Study on heavy metals contaminations of the soil from an industrialized area (Zlatna, Romania)
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POPA, Maria, JITARU, Maria, POPA, Dumitru Mirel. Study on heavy metals contaminations of the soil from an industrialized area (Zlatna, Romania). In: Ecological Chemistry, Ed. 3rd, 20-21 mai 2005, Chişinău. Chișinău, Republica Moldova: Tipografia Academiei de Ştiinţe a Moldovei, 2005, 3rd, pp. 261-262. ISBN 9975-62-133-3.
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Ecological Chemistry
3rd, 2005
Conferința "Ecological Chemistry"
3rd, Chişinău, Moldova, 20-21 mai 2005

Study on heavy metals contaminations of the soil from an industrialized area (Zlatna, Romania)


Pag. 261-262

Popa Maria, Jitaru Maria, Popa Dumitru Mirel
 
”1 Decembrie 1918” University of Alba Iulia
 
 
Disponibil în IBN: 7 septembrie 2021


Rezumat

The ongoing degradation of the environment, and especially that of the soil and air, by polluting agents coming from the industry of ferrous metals processing is a problem of major interest for the areas exposed to such phenomena [1,2]. For the agricultural zone of the town of Zlatna, it is useful to know the agrochemical characteristics of the soils, to establish with precision the degree of pollution of the area and possible measurements which one can take for the reduction in the effects of pollution or for the rehabilitation of the affected zones [3]. The test sample selection was carried out of four different sites from the area of Zlatna noted TA1, TA2, TA3 and TA4, at different depths: 0-20 cm for the arable grounds and grass, respectively 20-60 cm for the orchards and vines.figureFig.1. Provisioning with phosphorus (P) of the studied soils related to the drawing depth.The degree of provisioning with phosphorus of the soils of the area of Zlatna is presented in figure 1. By comparing the values obtained according to the agrochemical analysis carried out, on the maximum level of the literature of speciality (of 15 mg/ kg), one notes that the provisioning of the soils of the area studied with phosphorus is well below this value (fig. 1). The pollution of the soils of the area of Zlatna causes direct effects by the contact between these pollutants and the vegetable matter, as of accumulations in any vegetable matter which grows on these fields [4].figureFig. 2. Level of Cu2+ and Pb 2+ concentration in the studied fields Copper (fig. 2) is in considerable quantities in the taken samples of soil from the fields TA1, TA2, TA3 and TA4. The situation resembles that of copper, the contents in Pb2+ in the soil being on the three levels of depth much above the maximum accepted concentration (100 mg/kg).