INVESTIGATING OCCURRENCE AND INTENSITY OF SOIL WATER REPELLENCY IN TALESH FOREST SITES, GUILAN PROVINCE

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MIRBABAEI SEYEDEH MEHRNOOSH; SHABANPOUR MAHMOOD; ZOLFAGHARI ALI ASGHAR

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Journal: Iranian Journal of Soil and Water Research Year:2013 | Volume:44 | Issue:2 Page(s): 163-172

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Information Journal Paper

Title

INVESTIGATING OCCURRENCE AND INTENSITY OF SOIL WATER REPELLENCY IN TALESH FOREST SITES, GUILAN PROVINCE

Author(s)

MIRBABAEI SEYEDEH MEHRNOOSH | SHABANPOUR MAHMOOD | ZOLFAGHARI ALI ASGHAR | Issue Writer Certificate

Keywords

SOIL WATER REPELLENCYQ2

MOLARITY OF ETHANOL DROPLQ2

WATER DROP PENETRATION TIMEQ2

WATERQ2

SOIL CONTACT ANGLEQ2

Abstract

In this study, the occurrence and intensity of WATER REPELLENCY/fa?page=1&sort=1&ftyp=all&fgrp=all&fyrs=all" target="_blank">SOIL WATER REPELLENCY was studied in three sites under Pinus teada, Petrocarya fraxinifolia and Sombucus ebulus in Talesh township in west part of Guilan. Seventy nine undisturbed soil samples (0–5 cm) were collected to determine WATER repellency and WATER-soil contact angle in dry season. WATER REPELLENCY/fa?page=1&sort=1&ftyp=all&fgrp=all&fyrs=all" target="_blank">SOIL WATER REPELLENCY was measured using the WATER DROP PENETRATION TIME/fa?page=1&sort=1&ftyp=all&fgrp=all&fyrs=all" target="_blank"> WATER DROP PENETRATION TIME test (WDPT) and MOLARITY OF ETHANOL DROPLet (MED). The significant and positive relationship (r= 0.77) was determined between MED and WDPT Test. WATER-soil contact angles were calculated greater than 90 using MED test in WATER repellent samples. The SOIL CONTACT ANGLEs raised with increase WATER repellency, As in samples with WDPT 5820_6000 s, contact angle were calculated between 108.8 to 109. The average WATER repellency was measured using WDPT and MED tests in site 3 were significantly higher than two other sites. In this process, was observed in calculated WATER-soil contact angles also. In this research the high coefficients determined between Log WDPT, MED and contact angle with organic matter content (with r= 0.8, 0.83 and 0.77 respectively). The correlations of these parameter (Log WDPT, MED and contact angle) with pH were negative and meaningful (with r -0.78, -0.69 and -0.72 respectively). The correlations between hydrophobicity (Log WDPT, MED) and SOIL CONTACT ANGLE with sand percentage were positive and these correlations with clay percentage were negative. However, the relations between soil texture parameters and hydrophobicity were weaker than the correlations of organic matter content and soil acidity with hydrophobicity. Results show that soil organic matter content, texture, and acidity are important factors affecting the occurrence and persistence of WATER repellency in soils of the studied region.

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APA: Copy

MIRBABAEI, SEYEDEH MEHRNOOSH, SHABANPOUR, MAHMOOD, & ZOLFAGHARI, ALI ASGHAR. (2013). INVESTIGATING OCCURRENCE AND INTENSITY OF SOIL WATER REPELLENCY IN TALESH FOREST SITES, GUILAN PROVINCE. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 44(2), 163-172. SID. https://sid.ir/paper/225350/en

Vancouver: Copy

MIRBABAEI SEYEDEH MEHRNOOSH, SHABANPOUR MAHMOOD, ZOLFAGHARI ALI ASGHAR. INVESTIGATING OCCURRENCE AND INTENSITY OF SOIL WATER REPELLENCY IN TALESH FOREST SITES, GUILAN PROVINCE. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2013;44(2):163-172. Available from: https://sid.ir/paper/225350/en

IEEE: Copy

SEYEDEH MEHRNOOSH MIRBABAEI, MAHMOOD SHABANPOUR, and ALI ASGHAR ZOLFAGHARI, “INVESTIGATING OCCURRENCE AND INTENSITY OF SOIL WATER REPELLENCY IN TALESH FOREST SITES, GUILAN PROVINCE,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 44, no. 2, pp. 163–172, 2013, [Online]. Available: https://sid.ir/paper/225350/en

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