A STUDY OF SOME CHARACTERISTICS OF WELLS WATER IN KIRKUK CITY

A study was carried tit on four wells in Kirkuk city which include the salinity of water, pH and the concentration of Ca, Mg, K, Na, NO3, Boron and hardness at four intervals front January 2004 till July 2006 to detect heir quality for agricultural use. Three classified systems were used, Ghliam (7), FAO (11), and Richards (17) to classify these wells. The results showed : Significant differences of ion contents of water of these wells depends on the position of the wells and the time of sampling, increase in salinity, concentrations of Ca, Mg, K, Na, B, NO3 and hardness from winter to summer season were happen. A differences of salinity and pH of the water of these wells and time of sampling were noticed agriculture according to the above classifications.