ISSN (0970-2083)

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Research Article Open Access

CHARACTERIZATION OF THERMAL POWER PLANT DISCHARGED WASTEWATER AND CITY SEWAGE WASTEWATER: THEIR POTENTIAL USE AS IRRIGANTS FOR URBAN AGRICULTURE

Abstract

 A pot experiment was conducted to test the feasibility of growing mungbean (Vigna radiata (L.) Wilczek) cv. T9 with thermal power wastewater (TPPW) and city sewage wastewater (SW) as an alternative to ground water (GW). The optimum requirement of fertilizers (N and P) for the crop under wastewater irrigation was also worked out. Both the irrigation wastewaters met the prescribed irrigational quality levels as prescribed by the Bureau of Indian Standards (BIS). A control was also run simultaneously using tap water as ground water (GW). While studying the physio-morphological, yield and seed quality characteristics, it was observed that the plants receiving the wastewater recorded enhanced growth, higher photosynthetic efficiency and has an ameliorative effect on certain enzymatic and biochemical traits which manifested itself in terms of higher yield and seed yield merit. No adverse effect of wastewaters was reported on the seed quality. Therefore, both wastes may compensate the chemical fertilizer consumption and in addition be an alternative option of waste disposal, besides lowering the burden on the meagre fresh water resources available to farmers. 

 AFROZA AKHTER , NASEER HUSSAIN SHAH and ARIF INAM

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