EFFECT OF SUPERABSORBENT POLYMERS ON TEMPORAL VARIABILITY OF SUCTION, POROSITY DISTRIBUTION AND AVAILABLE WATER

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RAMAZANIFAR HAMID; YAZDANPANAH NAJME

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Journal: Journal of Soil Management and Sustainable Production Year:2014 | Volume:4 | Issue:1 Page(s): 27-47

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Title

EFFECT OF SUPERABSORBENT POLYMERS ON TEMPORAL VARIABILITY OF SUCTION, POROSITY DISTRIBUTION AND AVAILABLE WATER

Author(s)

RAMAZANIFAR HAMID | YAZDANPANAH NAJME | Issue Writer Certificate

Keywords

STOCKOSORBQ2

TARAWATQ2

CAPILLARY AND AERATION POROSITYQ2

TEMPORAL VARIABILITY OF SUCTIONQ2

AVAILABLE WATERQ2

Abstract

Nowadays, application of superabsorbents is one of the strategies to combat water deficiency in arid and semiarid regions. This study was carried out to investigate the effects of two polymers on TEMPORAL VARIABILITY OF SUCTION, porosity distribution and AVAILABLE WATER of two contrasting soils. The experiments were done as factorial based on complete randomized design, with three replicates. The treatments were included of TARAWAT and STOCKOSORB polymers, each at five levels (0, 2, 4, 6 and 8 g/kg) and two soils (loamy sand and sandy loam). Moisture content at different suctions and temporal variability of moisture during two weeks were measured. Result showed that for greater amounts of the polymers, the required days to reach the corresponding suction increased, significantly. Also, the influence of polymers on increasing soil moisture was more effective at higher suctions. Overall, the application of polymers particularly TARAWAT led to a significant increase in moisture retention, especially for the loamy sand soil. Application of TARAWAT and STOCKOSORB in loamy sand soil led to higher increase in capillary porosity, whereas in sandy loam soil resulted in higher increase in aeration porosity. For sandy loam soil, the highest rate of TARAWAT and STOCKOSORB resulted in 1.9 and 1.6 folds increase in AVAILABLE WATER compared to the control. The increase for loamy sand soil was 3.3 and 3.7 folds, respectively. With respect to AVAILABLE WATER, STOCKOSORB was more efficient polymer for loamy sand soil, whereas TARAWAT found to be more suitable for sandy loam.

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APA: Copy

RAMAZANIFAR, HAMID, & YAZDANPANAH, NAJME. (2014). EFFECT OF SUPERABSORBENT POLYMERS ON TEMPORAL VARIABILITY OF SUCTION, POROSITY DISTRIBUTION AND AVAILABLE WATER. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, 4(1), 27-47. SID. https://sid.ir/paper/209813/en

Vancouver: Copy

RAMAZANIFAR HAMID, YAZDANPANAH NAJME. EFFECT OF SUPERABSORBENT POLYMERS ON TEMPORAL VARIABILITY OF SUCTION, POROSITY DISTRIBUTION AND AVAILABLE WATER. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION[Internet]. 2014;4(1):27-47. Available from: https://sid.ir/paper/209813/en

IEEE: Copy

HAMID RAMAZANIFAR, and NAJME YAZDANPANAH, “EFFECT OF SUPERABSORBENT POLYMERS ON TEMPORAL VARIABILITY OF SUCTION, POROSITY DISTRIBUTION AND AVAILABLE WATER,” ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, vol. 4, no. 1, pp. 27–47, 2014, [Online]. Available: https://sid.ir/paper/209813/en

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