تقییم میاه کزنزان المحتجزة لأغراض الری

Water samples were collected monthly during August 2004 to February 2005 in five locations of Kasnazan impoundment ( 1 OKm east side of Erbil city). Statistical analysis indicated that there were a significant differences between Kahreez site 1 and other sites in TDS, Ca+2 , and HC03 - values. While, there were no significant differences in K+ concentration between stations or months.Generally, the first three months (August to November) differed from the last four month (December to February) in most chemical properties.