Soil Physical Properties as Affected by Potassium and Salinity of Irrigation Water

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Zaker Masumeh; EMAMI HOJAT; ASTARAEI ALIREZA; FOTOVAT AMIR

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Journal: APPLIED SOIL RESEARCH Year:2018 | Volume:6 | Issue:1 Page(s): 51-61

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Title

Soil Physical Properties as Affected by Potassium and Salinity of Irrigation Water

Author(s)

Zaker Masumeh | EMAMI HOJAT | ASTARAEI ALIREZA | FOTOVAT AMIR | Issue Writer Certificate

Keywords

Dispersible clayQ1

Hydraulic conductivityQ2

Soil physical propertiesQ2

Soil structural stabilityQ2

Water irrigation qualityQ2

Abstract

Structural and hydraulic properties of soil depend on type and quality of irrigation water. In order to investigate the effect of potassium as cation ratio of structural stability of soil on physical properties (sandy loam soil), a research was performed as completely randomizes design with factorial arrangement and 3 replications in undisturbed soil columns. Experimental factors consisted of saline water (2 salinity rate: 4, and 8 dSm-1), and different contents of potassium ion in irrigation water (4 CROSS values: 0, 15, 20, and 25). Soil columns were irrigated for 16 weeks, after then Soil physical properties were measured. The results showed that when salinity increased, water Dispersible clay significantly decreased, while changes of mean weight diameter of aggregates, penetration resistance and saturated Hydraulic conductivity were not significant (P<0. 05). Despite sodium ion was not used in irrigation water, using of potassium ion in irrigation water had a significant effect on Soil physical properties, such as water Dispersible clay, mean weight diameter of aggregates (MWD), and saturated Hydraulic conductivity (Ks), and they were degraded. Interaction effect of salinity and CROSS of irrigation water on soil properties in EC= 8 dSm-1 was lesser than that of EC= 4 dSm-1. Further studies are recommended to evaluate the effect of potassium on soil structure.

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APA: Copy

Zaker, Masumeh, EMAMI, HOJAT, ASTARAEI, ALIREZA, & FOTOVAT, AMIR. (2018). Soil Physical Properties as Affected by Potassium and Salinity of Irrigation Water. APPLIED SOIL RESEARCH, 6(1 ), 51-61. SID. https://sid.ir/paper/261859/en

Vancouver: Copy

Zaker Masumeh, EMAMI HOJAT, ASTARAEI ALIREZA, FOTOVAT AMIR. Soil Physical Properties as Affected by Potassium and Salinity of Irrigation Water. APPLIED SOIL RESEARCH[Internet]. 2018;6(1 ):51-61. Available from: https://sid.ir/paper/261859/en

IEEE: Copy

Masumeh Zaker, HOJAT EMAMI, ALIREZA ASTARAEI, and AMIR FOTOVAT, “Soil Physical Properties as Affected by Potassium and Salinity of Irrigation Water,” APPLIED SOIL RESEARCH, vol. 6, no. 1 , pp. 51–61, 2018, [Online]. Available: https://sid.ir/paper/261859/en

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