Determination of Phosphorus in Some Calcareous Soils by Diffusive Gradients in Thin Films (DGT) method

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KHORASANI REZA; HALAJNIA AKRAM; RAHMANI HADISEH; POURAN HAMID reza

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Journal: Iranian Journal of Soil and Water Research Year:2017 | Volume:48 | Issue:4 Page(s): 715-723

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Title

Determination of Phosphorus in Some Calcareous Soils by Diffusive Gradients in Thin Films (DGT) method

Author(s)

KHORASANI REZA | HALAJNIA AKRAM | RAHMANI HADISEH | POURAN HAMID reza | Issue Writer Certificate

Keywords

Available PQ1

P extraction methodQ2

P FractionationQ1

P UptakeQ2

Abstract

Diffusive Gradients in Thin films (DGT) method is used as a method of phosphorus determination in some soils. This method was used to evaluate P in 10 different calcareous soils. Extractable phosphorous through this method was compared with that in 5 other methods and P Uptake by wheat plant in a glasshouse pot experiment. The results showed that the range of P concentration extracted through DGT method (CDGT) stood between 23. 4 and 494. 6 μ g L-1 depending upon soil types. Because of these changes, no correlations were observed between P concentration extracted through DGT with other methods and P Uptake by wheat plant. However, in a separate investigation in some soils with low CDGT, the correlation was highly improved. Therefore, it can be asserted that use of DGT method is recommendable for evaluation of P in calcareous soils CDGT lower than 250 μ g/l, due to close correlations between this method and other methods, especially in the case of phosphorous uptake.

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APA: Copy

KHORASANI, REZA, HALAJNIA, AKRAM, RAHMANI, HADISEH, & POURAN, HAMID reza. (2017). Determination of Phosphorus in Some Calcareous Soils by Diffusive Gradients in Thin Films (DGT) method. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 48(4 ), 715-723. SID. https://sid.ir/paper/225721/en

Vancouver: Copy

KHORASANI REZA, HALAJNIA AKRAM, RAHMANI HADISEH, POURAN HAMID reza. Determination of Phosphorus in Some Calcareous Soils by Diffusive Gradients in Thin Films (DGT) method. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2017;48(4 ):715-723. Available from: https://sid.ir/paper/225721/en

IEEE: Copy

REZA KHORASANI, AKRAM HALAJNIA, HADISEH RAHMANI, and HAMID reza POURAN, “Determination of Phosphorus in Some Calcareous Soils by Diffusive Gradients in Thin Films (DGT) method,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 48, no. 4 , pp. 715–723, 2017, [Online]. Available: https://sid.ir/paper/225721/en

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