The impact of the method and the source of irrigation in fruiting and tuber vegetables content of heavy metals

The research was conducted in order to investigate the metal contaminants (lead Pb،cadmium Cd ، arsenic As), which moves from irrigation water to many types of vegetables which irrigated from it,and compared the extent of pollution by irrigation source (treatment sewage، wells water), and by vegetable type (Vegetables, fruit plants, tuberous), and by the irrigation method used (surface irrigation ، modern irrigation).