Journal of Food, Agriculture and Environment

The evaluation of the elemental sulfur and gypsum effect on soil pH, EC, SO₄-S and available Mn content

Author(s):

Murat Ali Turan ¹*, Suleyman Taban ², Ali Vahap Katkat ¹, Zeliha Kucukyumuk ³

Recieved Date: 2012-10-19, Accepted Date: 2013-01-26

Abstract:

Three levels (0, 400 or 800 mg S kg^-1) of elemental sulfur (S^°) or gypsum (CaSO₄.2H₂O) were applied to soil samples. The soil samples were incubated and analyzed weekly during an 8-week period to determine changes in soil pH, EC value, SO₄-S and available Mn contents. Regardless of sources, sulfur application continuously decreased the soil pH and increased the electrical conductivity of soil during the eight week experimental period. The lowest pH value (pH 7.04) was observed with 800 mg S kg^-1 elemental sulfur application, and the highest EC value (1330.33 µS cm^-1) was obtained with 800 mg S kg^-1gypsum application. The tested soil SO₄-S content variations depended on the incubation time, sulfur sources and application levels. SO₄-S content of soil showed a linear increase throughout the 8 week incubation as S^° was applied. The highest SO₄-S value of 53.34 mg kg^-1 about 20 folds higher than that of control was observed with 800 mg S kg^-1 elemental sulfur application. Incubation time, sulfur sources and the application levels had significant effect on the available Mn contents.

Keywords:

Elemental sulfur, gypsum, Mn, SO₄-S

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Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 1
Category: Agriculture
Pages: 572-575

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