THE INFLUENCE OF TREATED AND UNTREATED WASTEWATERS ON ENZYMATIC ACTIVITY OF A SILTY CLAY SOIL UNDER LABORATORY CONDITIONS

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NADI ZHARA; RAIESI FAEZ; HOSSEINPUR ALIREZA

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Journal: WATER AND WASTEWATER Year:2011 | Volume:23 | Issue:1 (81) Page(s): 93-100

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Information Journal Paper

Title

THE INFLUENCE OF TREATED AND UNTREATED WASTEWATERS ON ENZYMATIC ACTIVITY OF A SILTY CLAY SOIL UNDER LABORATORY CONDITIONS

Author(s)

NADI ZHARA | RAIESI FAEZ | HOSSEINPUR ALIREZA | Issue Writer Certificate

Keywords

INDUSTRIAL WASTEWATERQ3

SILITY CLAY SOILQ3

ENZYME ACTIVITIESQ3

MICOBIUAL ACTIVITYQ3

SOIL POLLUTIONQ3

Abstract

The use of INDUSTRIAL WASTEWATER for irrigating farmlands is currently increasing, especially in arid and semi-arid areas because of water shortage for agriculture. The use of INDUSTRIAL WASTEWATER in farmlands could help the sustainable soil fertility through improving the physical, chemical and biological soil characteristics. On the other hand, wastewater may contain toxic elements that are detrimental to soil microorganism and biochemical reactions. The aim of this study was to determine the effects of INDUSTRIAL WASTEWATER either treated or untreated on soil ENZYME ACTIVITIES. The wastewater samples were taken from Zobahan and Isfahan Foolad Mobarakeh steel plants and Polyacril plant. Soil samples were moistened at 70% field capacity using wastewaters and then placed at 25oC for 3months in an incubator. Soil samples were analyzed to examine ENZYME ACTIVITIES at monthly intervals. Results showed that during the first two months of incubation ENZYME ACTIVITIES increased inwastewater-treated soils whereas a reverse trend was seen in the third month. In general, INDUSTRIAL WASTEWATERs caused a 30% decrease in the average activity of arylsulfatase, however, it increased the average activity of alkaline phosphatase, urease and saccharase by 7.5%, 60% and 26.5%, respectively. Overall, regardless of the incubation period and sampling time, adding wastewater to the soil increased ENZYME ACTIVITIES. The presence of carbon and nutrients in wastewater could lead to an increase in microbial activities and populations, resulted in increasing synthesis and production of enzymes involved.

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APA: Copy

NADI, ZHARA, RAIESI, FAEZ, & HOSSEINPUR, ALIREZA. (2011). THE INFLUENCE OF TREATED AND UNTREATED WASTEWATERS ON ENZYMATIC ACTIVITY OF A SILTY CLAY SOIL UNDER LABORATORY CONDITIONS. WATER AND WASTEWATER, 23(1 (81)), 93-100. SID. https://sid.ir/paper/103414/en

Vancouver: Copy

NADI ZHARA, RAIESI FAEZ, HOSSEINPUR ALIREZA. THE INFLUENCE OF TREATED AND UNTREATED WASTEWATERS ON ENZYMATIC ACTIVITY OF A SILTY CLAY SOIL UNDER LABORATORY CONDITIONS. WATER AND WASTEWATER[Internet]. 2011;23(1 (81)):93-100. Available from: https://sid.ir/paper/103414/en

IEEE: Copy

ZHARA NADI, FAEZ RAIESI, and ALIREZA HOSSEINPUR, “THE INFLUENCE OF TREATED AND UNTREATED WASTEWATERS ON ENZYMATIC ACTIVITY OF A SILTY CLAY SOIL UNDER LABORATORY CONDITIONS,” WATER AND WASTEWATER, vol. 23, no. 1 (81), pp. 93–100, 2011, [Online]. Available: https://sid.ir/paper/103414/en

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