Tag Archives: lead

286-296 H.R. Tohidi Moghadam, T. W. Donath, F. Ghooshchi and M. Sohrabi
Investigating the probable consequences of super absorbent polymer and mycorrhizal fungi to reduce detrimental effects of lead on wheat (Triticum aestivum L.)
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Investigating the probable consequences of super absorbent polymer and mycorrhizal fungi to reduce detrimental effects of lead on wheat (Triticum aestivum L.)

H.R. Tohidi Moghadam¹, T. W. Donath², F. Ghooshchi¹ and M. Sohrabi²*

¹Department of Agronomy, Varamin-Pishva Branch, Islamic Azad University, Varamin, Iran
²Department of Landscape Ecology, Institute for Natural Resource Conservation, Kiel University, Olshausenstr. 75, DE24118 Kiel, Germany
*Correspondence: msohrabi@ecology.uni-kiel.de

Abstract:

In many parts of the world, agricultural use of soils is restricted due to heavy metal contamination. Absorption of heavy metals, such as (Pb), in the tissue of plants increases the plant’s metabolism and causes physiological disorders or even death. In order to study the potential of super absorbent polymers (SAP) and mycorrhiza fungi application to mitigate adverse effects of lead (Pb) on wheat, a greenhouse experiment was conducted. The experiment was setup as a completely randomized design, with two treatments arranged in a factorial scheme with three levels of lead (0, 100 and 200 mg per kg soil) and four levels of SAP and mycorrhiza fungi application (without SAP and mycorrhiza fungi application, SAP application alone, mycorrhiza fungi application alone, SAP and mycorrhiza fungi application combined). The results showed that Pb significantly affected all parameters measured of wheat. The Pb-contamination caused a significantly decreasing in plant height, total dry weight per plant and total chlorophyll contents. And also, the results indicated that the combined use of superabsorbent and mycorrhiza reduced the amount of superoxide dismutase enzyme. As well as, our results show that the application of super absorbent polymer and mycorrhizal fungi seems to be a promising path to reduce detrimental effects of heavy metal pollution of agricultural soils on plant performance.

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578-584 I. Blanco-Penedo, J.L. Benedito, R.F. Shore, M. Miranda,M. García Vaquero and M. López-Alonso
Influence of farm type (organic, conventional and intensive) on toxic metal accumulation in calves in NW Spain
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Influence of farm type (organic, conventional and intensive) on toxic metal accumulation in calves in NW Spain

I. Blanco-Penedo¹, J.L. Benedito¹, R.F. Shore², M. Miranda³,M. García Vaquero¹ and M. López-Alonso¹

¹Universidade de Santiago de Compostela, Departamento de Patoloxía Animal, Facultade deVeterinaria, 27002 Lugo, Spain
²Centre for Ecology & Hydrology, Lancaster Environment Centre, Library Avenue, Bailrigg,Lancaster LA1 4AP, UK
³Universidade de Santiago de Compostela, Ciencias Clínicas Veterinarias, Facultade deVeterinaria, 27002 Lugo, Spaine-mail: isabel.blanco.penedo@usc.es.

Abstract:

The aim of the present study was to determine how accumulation of toxic metals by beef-cattle in NW Spain varies between farms that have markedly different practices (including intensive, conventional and organic management) and to determine possible key factors affecting toxic metal assimilation by cattle. Soil, feed (forage and concentrate) and animal tissues (liver and kidney from 120 calves) were collected from nine farms across NW Spain and were analysed for metals by ICP-MS. Toxic metal concentrations in beef calves were generally low but did vary significantly between farms. There were no consistent patterns of difference in tissue metal concentrations between farms from different regions or between farms with different management practices. Variations in arsenic, cadmium and mercury concentrations in calf tissues were not significantly explained by soil or diet metal concentrations but were significantly and inversely related to the proportion of concentrate in the ration. Higher levels of metal residues in tissues were associated with consumption of low amounts of concentrate and relatively high levels of grazing. Higher toxic metal intake due to grazing is likely to be largely a result of soil ingestion.

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509-516 M. Gibczyńska, E. Meller, S. Stankowski and Cz. Wołoszyk
Metal content in soil fertilized with brown coal fly ash
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Metal content in soil fertilized with brown coal fly ash

M. Gibczyńska¹, E. Meller², S. Stankowski³ and Cz. Wołoszyk⁴

¹ General Chemistry Department, University of Agriculture, 71 434 Szczecin,ul Słowackiego 17, Poland; e-mail: margi@px.pl
² Department of Soil Science, University of Agriculture, 71 434 Szczecin, ul Słowackiego 17,Poland; e-mail: Edward.Meller@agro.ar.szczecin.pl
³ Soil, Plant Cultivation and Biometry Department, University of Agriculture, 71 434 Szczecin,ul Słowackiego 17, Poland; e-mail: mail sstankowski@hoga.pl
⁴ Department of Environmental Chemistry, University of Agriculture, 71 434 Szczecin,ul Słowackiego 17, Poland; e-mail: woloszyk@agro.ar.szczecin.pl

Abstract:

The aim of the studies was evaluation of brown coal ash produced by Power Plant Group Pątnów-Adamów-Konin for agricultural purposes. The subject matter was the estimation of the influence of fly ash applied to light soil on the metal content of soils (aluminium, iron, manganese, copper, nickel and cobalt). The field experiment was conducted on light soil at the area of the Agricultural Experimental Station in Lipnik, Poland. The experiment was set up by means of randomized complete blocks in 4 replications. The study consisted of testing 7 variants (controlburned lime (CaO) dolomite lime CaCO3⋅MgCO3, ash from 1st electrofilterzone, from 2nd electrofilter zone, from 3rd electrofilter zone and mixture of ashes from three electrofilter zones). Lime fertilizers and ashes were applied in a dose corresponding to 1.0 hydrolytic soil acidity expressed in cmol H+ kg-1 of soil. Brown coal fly ash produced by Power Plants ZE PAK S.A., used as soil fertilizer, did not contribute to changes of content of the following metals: iron, zinc, copper, nickel, lead and cobalt in the tested soil. Soil-incorporated brown coal fly ash significantly increased the content of manganese. However, the obtained results did not exceed the allowable standard. In the soil of all fertilizer variants, where brown coal ash was applied, the content of mobile aluminium diminished. When brown coal ash produced by Power Plants ZE PAK S.A. was applied in the experiment, soil reaction changed from acid to neutral and its hydrolytic acidity decreased by ca 50%.

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