4.ESTIMATION OF PHYSICO-CHEMICAL PROPERTIES OF SEWAGE WATER AND THEIR IMPACT ON SELECTED CROP PLANTS BY BHUPENDRA KUMAR SINGH1, SEWETA SRIVASTAVA2, GORAKH NATH GUPTA3, SUPRIYA YADAV1, HARENDRA SINGH1 AND D. N. SHUKLA1
Abstract
Water is the basis of life. It is a priceless national asset must therefore be harnessed property to meet the basic need of the people. As a result of civilization, industrialization, urbanization, population explosion and other developmental activities, most of our water resources have become polluted. Temperature of sewage water was highest during summer. pH increases with increasing the pollution level. The highest concentration of sulphate, chloride, iron, copper, chromium, nickel, manganese, zinc and lead was reported in sewage water. The total hardness, BOD and COD was also highest in sewage water than control. The growth and development of selected crop plants viz. Citrullus lanatus, Lycopersicon esculentum and Tagetes erecta in sewage water was better at 50% and 25% concentration than the control while 75% and 100% concentration gave poor results than control. So, it was concluded that the low concentration of sewage water is better for the growth and development of the plants.
KEY WORD: Pollution, water, Citrullus lanatus, Lycopersicon esculentum, Tagetes erecta.
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