REUSE OF SEWAGE SLUDGE FOR AGRICULTURAL SOIL IMPROVEMENT (CASE STUDY: KISH ISLAND)

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SHAFIEEPOUR SHAHNAZ; AYATI BITA; GANJIDOUST HOSSEIN

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Journal: WATER AND WASTEWATER Year:2011 | Volume:22 | Issue:2 (78) Page(s): 85-93

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Information Journal Paper

Title

REUSE OF SEWAGE SLUDGE FOR AGRICULTURAL SOIL IMPROVEMENT (CASE STUDY: KISH ISLAND)

Author(s)

SHAFIEEPOUR SHAHNAZ | AYATI BITA | GANJIDOUST HOSSEIN | Issue Writer Certificate

Keywords

SLUDGEQ2

HEAVY METALQ2

NUTRIENTQ3

WASTEWATER PLANTQ2

AMENDED SOILQ3

Abstract

SLUDGE from wastewater treatment plants is a valuable source of nitrogen, phosphorus and potassium which are necessary for the plants growth. The purpose of this research was to control SLUDGE quality to use it for soil improvement in Kish Island, Iran. Because of soil with low qualified for agricultural activities and high import expenses of fertile soils from outside of the Island, application of SLUDGE as a cheap source of soil amendment is an easy and economical mean to improve the soil in Kish Island. Comparison of laboratory data of domestic SLUDGE with global standard has shown that it has suitable for application on landscapes and agriculture from the point of view of fertility and HEAVY METALs concentration. Biological data has also shown that the SLUDGE was in class A or B of EPA standard, to fecal coliform, based on the ambient conditions such as water, air, temperature, sun radiation and storage time. The soil test data indicated that salinity, sodium and calcium ions were between 5000-7000 mg/kg which cause a decrease in plant’s growth. Transplanting of garden petunia in the region has been done in different samples mixed with SLUDGE rate of 0, 25, 50, 75 and 100 ton/ha during December 2008 to March 2009. In the first period of the growth study, the results have shown a decrease in the AMENDED SOIL with SLUDGE retard in comparison with control plant, but after 5 months probably because of spring rains and decrease in the salinity of AMENDED SOIL, the plant has shown very good growth in leaves and petal, whereas the control plant was dried. Soil and plant analyses were also approved the results because physical (humidity increase) and chemical (EC decrease) characteristics of the AMENDED SOIL with SLUDGE were improved. Most of the time, the concentrations of micro-nutrients such as iron, manganese, zinc, copper and NUTRIENTs in soil and leaves showed an increase in values by an increase in the rate of applied SLUDGE. Other results were not shown considerable variation in accessible phosphorus but noticeable decrease in potassium. Of course, in some special cases, negligible changes in cadmium and lead concentrations of the plant have been observed. In addition, the soil phosphorous content had negligible changes and the soil potassium content had a decreased rate in the AMENDED SOIL. Finally, it is concluded that for SLUDGE application, it is necessary to check agronomic NUTRIENTs levels and HEAVY METALs accumulation. However it is also recommended to use any kind of salt resisted native plants for landscapes. In case of sensitive plant, SLUDGE should be added at least 6 months in advance to ensure that soil physical and chemical condition are achieved.

Cites

THE EFFECT OF DIFFERENT AMOUNTS WASTEWATER SLUDGE APPLICATION ON SOYBEAN YIELD AND NITRATE CONCENTRATION IN SHALLOW DEPTH DRAINAGE WATER

References

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APA: Copy

SHAFIEEPOUR, SHAHNAZ, AYATI, BITA, & GANJIDOUST, HOSSEIN. (2011). REUSE OF SEWAGE SLUDGE FOR AGRICULTURAL SOIL IMPROVEMENT (CASE STUDY: KISH ISLAND). WATER AND WASTEWATER, 22(2 (78)), 85-93. SID. https://sid.ir/paper/103771/en

Vancouver: Copy

SHAFIEEPOUR SHAHNAZ, AYATI BITA, GANJIDOUST HOSSEIN. REUSE OF SEWAGE SLUDGE FOR AGRICULTURAL SOIL IMPROVEMENT (CASE STUDY: KISH ISLAND). WATER AND WASTEWATER[Internet]. 2011;22(2 (78)):85-93. Available from: https://sid.ir/paper/103771/en

IEEE: Copy

SHAHNAZ SHAFIEEPOUR, BITA AYATI, and HOSSEIN GANJIDOUST, “REUSE OF SEWAGE SLUDGE FOR AGRICULTURAL SOIL IMPROVEMENT (CASE STUDY: KISH ISLAND),” WATER AND WASTEWATER, vol. 22, no. 2 (78), pp. 85–93, 2011, [Online]. Available: https://sid.ir/paper/103771/en

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