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  2. Volume 7, Issue 8
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Online ISSN: 2515-8260

Volume7, Issue8

The effect of the time period among washes, the quality of the wash water, and the percentage of addition on the efficiency of washing salts in soil affected by salinity

    Muhsen Nasih Hoshan, Dakhil Radhi Nedawi, Muhammad Malik Yassin

European Journal of Molecular & Clinical Medicine, 2020, Volume 7, Issue 8, Pages 1403-1413

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Abstract

Irrigated soils suffer in arid and semi-arid regions of the world, the problem of the accumulation of salts, not using sufficient washing water to remove the added salts with irrigation water. Also, the wrong irrigation practices and the poor quality and quantity of irrigation water, as well as the lack of an effective drainage system, contributes to increasing soil salinity. This field experiment was conducted, to study the effect of the time period among washes, the quality of wash water, and the percentage of addition on the efficiency of washing salts and reducing the electrical conductivity of soil affected by salinity. 3 breaks were specified between washes (5, 10 and 15 days), and two types of washing water (4 and 8 dS m-1), and two percentages for addition (25 and 50%). Soil field operations were carried out, to perform the washing process with the washing system installed, the electrical conductivity of the soil filtrate was estimated by standard methods known, for depths 0-25, 25-50, 50-75 and 75-100 cm, during eight stages of washing. The results showed a decrease in the electrical conductivity values ​​of the soil filtrate, according to the sequence of soil washing phases until the eighth washing limits, and the largest decrease in electrical conductivity values ​​was during the first washing, compared with the subsequent washing stages, especially in the surface depths of the soil, as evidenced by the results, the high electrical conductivity values were at the depths of 50-75 cm and 75-100 cm, especially for the initial washing treatments, with the time period exceeding 5 days, the water quality is 4 dS m-1 and the addition rate is 50%, which gave the best washing efficiency at 0-25 cm depth, with a decrease of 77.69% after the first wash, and (16.51, 24.50, 9.16, 15.64, 10.54, 4.91 and 3.20%) after the second, third, fourth, fifth, sixth, seventh and eighth washings, compared to the first phase of washing, respectively.
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(2020). The effect of the time period among washes, the quality of the wash water, and the percentage of addition on the efficiency of washing salts in soil affected by salinity. European Journal of Molecular & Clinical Medicine, 7(8), 1403-1413.
Muhsen Nasih Hoshan, Dakhil Radhi Nedawi, Muhammad Malik Yassin. "The effect of the time period among washes, the quality of the wash water, and the percentage of addition on the efficiency of washing salts in soil affected by salinity". European Journal of Molecular & Clinical Medicine, 7, 8, 2020, 1403-1413.
(2020). 'The effect of the time period among washes, the quality of the wash water, and the percentage of addition on the efficiency of washing salts in soil affected by salinity', European Journal of Molecular & Clinical Medicine, 7(8), pp. 1403-1413.
The effect of the time period among washes, the quality of the wash water, and the percentage of addition on the efficiency of washing salts in soil affected by salinity. European Journal of Molecular & Clinical Medicine, 2020; 7(8): 1403-1413.
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