USING BY-PRODUCTS OF STEELMAKING INDUSTRY AS AMENDMENTS TO CORRECT SOIL PH, AND THEIR EFFECTS ON SOME HEAVY ELEMENT IN SOIL AND TEA LEAVES

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KIAEI JAMALI S.F.; FORGHANI AKBAR

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2008 | Volume:18 | Issue:3 Page(s): 83-97

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Title

USING BY-PRODUCTS OF STEELMAKING INDUSTRY AS AMENDMENTS TO CORRECT SOIL PH, AND THEIR EFFECTS ON SOME HEAVY ELEMENT IN SOIL AND TEA LEAVES

Author(s)

KIAEI JAMALI S.F. | FORGHANI AKBAR | Issue Writer Certificate

Keywords

CONVERTER SLUDGEQ3

LIMING MATERIALQ3

SLAGQ3

SOIL ACIDITYQ3

Abstract

In the tea gardens of Northern Iran, soil pH (has been decreased) due to several reasons (below pH of 4 in some regions). By-products of the steel industry, such as SLAG and CONVERTER SLUDGE, that have an alkaline pH, might be used as a low-cost LIMING MATERIAL for increasing soil pH, and as an amendment for these soils. A field experiment was established to determine the effects of these by-products on soil and plant chemical properties. The design consisted of 18 plots of 40m2 area, and 6 treatments (0.5% and I% SLAG ,0.5% and 1% CONVERTER SLUDGE, 0.5% SLAG t 0.5% CONVERTER SLUDGE on a dry soil weight basis, plus a control treatment) with three replications of tea rows with a randomized completely block design. Materials of the six treatments were mixed with soil to a 15-cmdepth in the spring. Two months after mixing, soil samples were taken at five stages after 45-day periods and from 0-15 cm depth. Leaves plucking are performed in the spring, summer and autumn. Results showed that soil pH was increased with applications of SLAG and CONVERTER SLUDGE. Soil pH was higher in the SLAG treatments than with the CONVERTER SLUDGE treatments. DTPA-extractable Zn and Mn were significantly lower in all by-product treatments than that of the control treatment. DTPA-extractable Cu in soil in the 1% SLAG treatment was significantly lower than in the control treatment. There were no significant differences in DTPA-extractable Cd among all treatments and the control. Soil Fe in all treatments, except 1% CONVERTER SLUDGE treatment, showed a significant decrease as compared with the control. Results of leaf analysis showed that Zn, Cu and Cd concentrations were decreased significantly in all of the SLAG and CONVERTER SLUDGE treatments compared with control treatment.Plant concentration Mn in all treatments, except 0.5% SLAG and 1%treatments, were significantly lower than the control. Plant Fe concentrations in all treatments, except 0.5% SLAG treatment, were also significantly lower than the control.

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APA: Copy

KIAEI JAMALI, S.F., & FORGHANI, AKBAR. (2008). USING BY-PRODUCTS OF STEELMAKING INDUSTRY AS AMENDMENTS TO CORRECT SOIL PH, AND THEIR EFFECTS ON SOME HEAVY ELEMENT IN SOIL AND TEA LEAVES. JOURNAL OF AGRICULTURAL KNOWLEDGE, 18(3), 83-97. SID. https://sid.ir/paper/28926/en

Vancouver: Copy

KIAEI JAMALI S.F., FORGHANI AKBAR. USING BY-PRODUCTS OF STEELMAKING INDUSTRY AS AMENDMENTS TO CORRECT SOIL PH, AND THEIR EFFECTS ON SOME HEAVY ELEMENT IN SOIL AND TEA LEAVES. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2008;18(3):83-97. Available from: https://sid.ir/paper/28926/en

IEEE: Copy

S.F. KIAEI JAMALI, and AKBAR FORGHANI, “USING BY-PRODUCTS OF STEELMAKING INDUSTRY AS AMENDMENTS TO CORRECT SOIL PH, AND THEIR EFFECTS ON SOME HEAVY ELEMENT IN SOIL AND TEA LEAVES,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 18, no. 3, pp. 83–97, 2008, [Online]. Available: https://sid.ir/paper/28926/en

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