STEELMAKING SLAG AS AMENDMENT MATERIAL IN GILAN ACID SOILS

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MOHAMMADI TORKASHVAND A.; KALBASI M.; SHARIAT MADARI H.

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Journal: Year:2006 | Volume:12 | Issue:3 Page(s): 545-560

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Information Journal Paper

Title

STEELMAKING SLAG AS AMENDMENT MATERIAL IN GILAN ACID SOILS

Author(s)

MOHAMMADI TORKASHVAND A. | KALBASI M. | SHARIAT MADARI H. | Issue Writer Certificate

Keywords

ACID SOILSQ3

AMENDMENTQ2

SOIL LIMING APPLICATIONQ3

SLAGQ3

LD CONVERTERQ3

Abstract

LD converter SLAG, a by-product of the iron and steelmaking industry produced in large quantities in Isfahan, Iran. The SLAG contains 52.8 and 2.2% (w/w) Cao and MgO, respectively. To determine the possibility using LD SLAG on the chemical characteristics of two ACID SOILS from Gilan province, a study was conducted including two stages. The soil samples were collected from 0-30cm of rice field and tea orchard. First stage was incubation phase that treatments were 0, 0.5, 1, 2, 4, 8 and 16 % (w/w) of converter SLAG/kg soil. The SLAG was thoroughly mixed with 500g soil in plastic pots. Soils moisture content was adjusted to near field capacity and changes in pH, EC and AB-DTPA-extractable Fe, Mn, Zn, P and K were determined at 1, 10, 30 and 60 days. Second phase was a greenhouse study that treatments with due attention to incubation results were desined. Treatment were 0, 0.5,1 and 2 W/W and 0, 1, 2 and 4 W/W of SLAG in rice field and tea orchard soils, respectively. Results showed that soil pH increased with increasing SLAG rates. SLAG increased AB-DTPA-extractable P and Mn, the increase depends on the amount of SLAG applied. However, the effect of SLAG on AB-DTPA-extractable Fe depends on initial pH, bigining decreased at the pH range of 7.4 - 8.5 and then increased at higher pH. SLAG decreased AB-DTPA-extractable K especially in highly acid soil. The results of greenhous studies showed that application of 0.5, 1 and 2% W/W of SLAG increased the plant dry matter. Iron and manganese uptake by plant increased in soils. Application of SLAG increased P uptake in soils. K uptake increased in rice field soil but decreased in tea orchard soil. In conclusion seems that converter SLAG is suitable AMENDMENT for ACID SOILS. It is suggested that the effect of LD CONVERTER SLAG on the plant growth and chemical characteristics of ACID SOILS be studied under field conditions.

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APA: Copy

MOHAMMADI TORKASHVAND, A., KALBASI, M., & SHARIAT MADARI, H.. (2006). STEELMAKING SLAG AS AMENDMENT MATERIAL IN GILAN ACID SOILS. JOURNAL OF AGRICULTURAL SCIENCES, 12(3), 545-560. SID. https://sid.ir/paper/7568/en

Vancouver: Copy

MOHAMMADI TORKASHVAND A., KALBASI M., SHARIAT MADARI H.. STEELMAKING SLAG AS AMENDMENT MATERIAL IN GILAN ACID SOILS. JOURNAL OF AGRICULTURAL SCIENCES[Internet]. 2006;12(3):545-560. Available from: https://sid.ir/paper/7568/en

IEEE: Copy

A. MOHAMMADI TORKASHVAND, M. KALBASI, and H. SHARIAT MADARI, “STEELMAKING SLAG AS AMENDMENT MATERIAL IN GILAN ACID SOILS,” JOURNAL OF AGRICULTURAL SCIENCES, vol. 12, no. 3, pp. 545–560, 2006, [Online]. Available: https://sid.ir/paper/7568/en

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