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2016 | 25 | 6 |

Tytuł artykułu

Effect of modified polyacrylamide on plant-availability of Cd and Pb to Corn in polluted soils

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
We studied the effects of modified polyacrylamide (MPAM) on plant-uptake of Cd and Pb in two agricultural soils of different textures that had been contaminated simultaneously with Cd and Pb. In a pot experiment under greenhouse conditions different doses of modified polyacrylamide (0, 0.1, 0.2, and 0.3%) were added to artificially polluted soils (sandy and sandy loam). Results indicated that soil pH gradually increased with the application of modified polyacrylamide in both soils. Soil EC significantly increased due to the addition of modified polyacrylamide in the sandy loam soil as compared to the control. The concentrations of Cd and Pb in plants grown in sandy loam soils were less than those planted in sandy soils. The addition of modified polyacrylamide to both soils significantly decreased Pb concentrations in corn roots and shoots. On the contrary, uptake of Cd by shoots was increased in pots containing 0.1% MPAM in both soils compared to those in the unamended soils. While Cd uptake by shoots was not affected by MPAM in soils as compared to those in the unamended soils. The transfer factor (TF) values of Pb were much less than those of Cd in the same treatments.

Słowa kluczowe

Wydawca

-

Rocznik

Tom

25

Numer

6

Opis fizyczny

P.2575-2580,fig.,ref

Twórcy

autor
  • Soil Science Department, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran
autor
  • Soil Science Department, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran
autor
  • Soil Science Department, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran
  • Soil Science Department, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran

Bibliografia

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  • 8. PUTWATTANA N., KRUATRACHUE M., POKETHITIYOOK P., CHAIYARAT R. Immobilization of cadmium in soil by cow manure and silicate fertilizer, and reduced accumulation of cadmium in sweet basil (Ocimumbasilicum). J. Sci. Asia. 36 (4), 349, 2010.
  • 9. HUANG S.W., CHIANG P.N., LIU J.C., HUNG J.T., KUAN W.H., TZOU Y.M., WANG S.L., HUANG J.H., CHEN C.C., WANG M.K., LOEPPERT R.H. Chromate reduction on humic acid derived from a peat soil-exploration of the activated sites on HAs for chromate removal. J. Chem. 87 (6), 589, 2012.
  • 10. KAMARI A., PULFORD I.D., HARGREAVES J.S.J. Chitosan as a potential amendment to remediate metal contaminated soil: A characterization study. J. Colloid. Surf. B-Bio. 82 (1), 71, 2011.
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  • 12. HAMIDPOUR M., AFYUNI M., KALBASI M., KHOSHGOFTARMANES A.H., INGLEZAKIS V.J. Mobility and plant-availability of Cd(II) and Pb(II) adsorbed on zeolite and bentonite. J. Appl. Clay Sci. 48 (16), 342, 2010.
  • 13. CAMENZULI D., FREIDMAN B.L., STATHAM T.M., Kathryn A. MUMFOR K.A., GORE D.B. On-site and in situ remediation technologies applicable to metalcontaminated sites in Antarctica and the Arctic: a review, Polar Research, 33, 15, 2014.
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Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

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