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ASSESSING THE IRRIGATION WATER QUALITY IN THARTHAR AREA WEASTERN IRAQ AND THEIR SUITABILITY FOR AGRICULTURAL USE | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 2014, Issue 2, 2009, Pages 0-0 | ||
| Authors | ||
| A. H. I. Al-Bayati; Z. A. Hassain; A. A. Mekelf | ||
| Abstract | ||
| This study was carried out to assess irrigation water quality which was obtainable at Al-Tharthar area western of Iraq. Water samples were collected from five wells at the region addition to Tharthar canal water as one sample monthly from every source within one year. These samples were chemical analyzed and some properties calculated, according to accredited analysis and measurement methods, after that these waters were classified and assessed according to geochemical characteristics. The results showed significant effect for electrical conductivity values with different examined water source. The Tharthar canal water and 60% of wells water were fall within simple to moderate problem water when we used them for irrigation in comparison to 40% of wells water which were classified within severe problem water when its used for irrigation, the difference between wells in this property refer to the difference in their location respect to Tharthar lake. Winter season demonstrated lower values for this property in comparison to summer season which was recorded higher values. Sodium absorption ratio estimation for all irrigation waters in the area were showed that fall within excellent class and for all examination seasons .depending on food and agriculture international organization guide waters of all sources fall within no problem class regarding to there effect on soil permeability. The differ in electrical conductivity of water to be reversed also at same direction on soluble cations and anions concentration. however toxic effect for these waters to plants , the results were showed that have simple to moderate problem when its used for irrigation regarding for sodium to all sources except 40% of wells waters which were severe problem especially when its used in sprinkle irrigation systems also chlorine ,bicarbonate, nitrate and boron effect were showed differ in there problems if we used them for irrigation ranged between no problem and increasing problem, Water pH study was showed its fall within suitable range for irrigation. | ||
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