Study of effects of irrigation with waste water on growing season of bromus tecrum

摘要

@@Introduction Because limited sources of water in Iran water outgoing of refinery is used for irrigation purposes In some places.Quality of such these waters and their effects on plants is under doubt.Mahdavi(1) says that concentration of materials in irrigation water even very small amounts,Has an important role in agriculture and drinking.Rahmati measured chrome concentration in treated waste water outgoing of Irandocharkh Industrial unit.results showed that chrome concentrarion in samples is about 15 mg/lit,while its standard level is 1 mg/lit It can be concluded that that there are probabilities of presence of heavy metal pollutants in iriigation by waste water that may srore in plant body.Additionally effects of using waste water on growing characteristics and forage must be studied.